20000120400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{853}}^1$

素因数の和:1060

約数の個数: 480

約数和(自身を含む): 77210891520

約数和(自身を除く): 57210771120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 100, 104, 108, 117, 120, 130, 135, 144, 150, 156, 167, 180, 195, 200, 208, 216, 225, 234, 240, 260, 270, 300, 312, 325, 334, 351, 360, 390, 400, 432, 450, 468, 501, 520, 540, 585, 600, 624, 650, 668, 675, 702, 720, 780, 835, 853, 900, 936, 975, 1002, 1040, 1080, 1170, 1200, 1300, 1336, 1350, 1404, 1503, 1560, 1670, 1706, 1755, 1800, 1872, 1950, 2004, 2160, 2171, 2340, 2505, 2559, 2600, 2672, 2700, 2808, 2925, 3006, 3120, 3340, 3412, 3510, 3600, 3900, 4008, 4175, 4265, 4342, 4509, 4680, 5010, 5118, 5200, 5400, 5616, 5850, 6012, 6513, 6680, 6824, 7020, 7515, 7677, 7800, 8016, 8350, 8530, 8684, 8775, 9018, 9360, 10020, 10236, 10800, 10855, 11089, 11700, 12024, 12525, 12795, 13026, 13360, 13648, 14040, 15030, 15354, 15600, 16700, 17060, 17368, 17550, 18036, 19539, 20040, 20472, 21325, 21710, 22178, 22545, 23031, 23400, 24048, 25050, 25590, 26052, 28080, 30060, 30708, 32565, 33267, 33400, 34120, 34736, 35100, 36072, 37575, 38385, 39078, 40080, 40944, 42650, 43420, 44356, 45090, 46062, 46800, 50100, 51180, 52104, 54275, 55445, 58617, 60120, 61416, 63975, 65130, 66534, 66800, 68240, 70200, 72144, 75150, 76770, 78156, 85300, 86840, 88712, 90180, 92124, 97695, 99801, 100200, 102360, 104208, 108550, 110890, 112725, 115155, 117234, 120240, 122832, 127950, 130260, 133068, 140400, 142451, 150300, 153540, 156312, 162825, 166335, 170600, 173680, 177424, 180360, 184248, 191925, 195390, 199602, 200400, 204720, 217100, 221780, 225450, 230310, 234468, 255900, 260520, 266136, 277225, 284902, 293085, 299403, 300600, 307080, 312624, 325650, 332670, 341200, 360720, 368496, 383850, 390780, 399204, 427353, 434200, 443560, 450900, 460620, 468936, 488475, 499005, 511800, 521040, 532272, 554450, 569804, 575775, 586170, 598806, 601200, 614160, 651300, 665340, 712255, 767700, 781560, 798408, 831675, 854706, 868400, 887120, 901800, 921240, 937872, 976950, 998010, 1023600, 1108900, 1139608, 1151550, 1172340, 1197612, 1282059, 1302600, 1330680, 1424510, 1465425, 1497015, 1535400, 1563120, 1596816, 1663350, 1709412, 1803600, 1842480, 1851863, 1953900, 1996020, 2136765, 2217800, 2279216, 2303100, 2344680, 2395224, 2495025, 2564118, 2605200, 2661360, 2849020, 2930850, 2994030, 3070800, 3326700, 3418824, 3561275, 3703726, 3846177, 3907800, 3992040, 4273530, 4435600, 4606200, 4689360, 4790448, 4990050, 5128236, 5555589, 5698040, 5861700, 5988060, 6410295, 6653400, 6837648, 7122550, 7407452, 7485075, 7692354, 7815600, 7984080, 8547060, 9212400, 9259315, 9980100, 10256472, 10683825, 11111178, 11396080, 11723400, 11976120, 12820590, 13306800, 14245100, 14814904, 14970150, 15384708, 16666767, 17094120, 18518630, 19230885, 19960200, 20512944, 21367650, 22222356, 23446800, 23952240, 25641180, 27777945, 28490200, 29629808, 29940300, 30769416, 32051475, 33333534, 34188240, 37037260, 38461770, 39920400, 42735300, 44444712, 46296575, 50000301, 51282360, 55555890, 56980400, 59880600, 61538832, 64102950, 66667068, 74074520, 76923540, 83333835, 85470600, 88889424, 92593150, 96154425, 100000602, 102564720, 111111780, 119761200, 128205900, 133334136, 138889725, 148149040, 153847080, 166667670, 170941200, 185186300, 192308850, 200001204, 222223560, 250001505, 256411800, 266668272, 277779450, 307694160, 333335340, 370372600, 384617700, 400002408, 416669175, 444447120, 500003010, 512823600, 555558900, 666670680, 740745200, 769235400, 800004816, 833338350, 1000006020, 1111117800, 1250007525, 1333341360, 1538470800, 1666676700, 2000012040, 2222235600, 2500015050, 3333353400, 4000024080, 5000030100, 6666706800, 10000060200, 20000120400]

約数ペア:

[(1, 20000120400), (2, 10000060200), (3, 6666706800), (4, 5000030100), (5, 4000024080), (6, 3333353400), (8, 2500015050), (9, 2222235600), (10, 2000012040), (12, 1666676700), (13, 1538470800), (15, 1333341360), (16, 1250007525), (18, 1111117800), (20, 1000006020), (24, 833338350), (25, 800004816), (26, 769235400), (27, 740745200), (30, 666670680), (36, 555558900), (39, 512823600), (40, 500003010), (45, 444447120), (48, 416669175), (50, 400002408), (52, 384617700), (54, 370372600), (60, 333335340), (65, 307694160), (72, 277779450), (75, 266668272), (78, 256411800), (80, 250001505), (90, 222223560), (100, 200001204), (104, 192308850), (108, 185186300), (117, 170941200), (120, 166667670), (130, 153847080), (135, 148149040), (144, 138889725), (150, 133334136), (156, 128205900), (167, 119761200), (180, 111111780), (195, 102564720), (200, 100000602), (208, 96154425), (216, 92593150), (225, 88889424), (234, 85470600), (240, 83333835), (260, 76923540), (270, 74074520), (300, 66667068), (312, 64102950), (325, 61538832), (334, 59880600), (351, 56980400), (360, 55555890), (390, 51282360), (400, 50000301), (432, 46296575), (450, 44444712), (468, 42735300), (501, 39920400), (520, 38461770), (540, 37037260), (585, 34188240), (600, 33333534), (624, 32051475), (650, 30769416), (668, 29940300), (675, 29629808), (702, 28490200), (720, 27777945), (780, 25641180), (835, 23952240), (853, 23446800), (900, 22222356), (936, 21367650), (975, 20512944), (1002, 19960200), (1040, 19230885), (1080, 18518630), (1170, 17094120), (1200, 16666767), (1300, 15384708), (1336, 14970150), (1350, 14814904), (1404, 14245100), (1503, 13306800), (1560, 12820590), (1670, 11976120), (1706, 11723400), (1755, 11396080), (1800, 11111178), (1872, 10683825), (1950, 10256472), (2004, 9980100), (2160, 9259315), (2171, 9212400), (2340, 8547060), (2505, 7984080), (2559, 7815600), (2600, 7692354), (2672, 7485075), (2700, 7407452), (2808, 7122550), (2925, 6837648), (3006, 6653400), (3120, 6410295), (3340, 5988060), (3412, 5861700), (3510, 5698040), (3600, 5555589), (3900, 5128236), (4008, 4990050), (4175, 4790448), (4265, 4689360), (4342, 4606200), (4509, 4435600), (4680, 4273530), (5010, 3992040), (5118, 3907800), (5200, 3846177), (5400, 3703726), (5616, 3561275), (5850, 3418824), (6012, 3326700), (6513, 3070800), (6680, 2994030), (6824, 2930850), (7020, 2849020), (7515, 2661360), (7677, 2605200), (7800, 2564118), (8016, 2495025), (8350, 2395224), (8530, 2344680), (8684, 2303100), (8775, 2279216), (9018, 2217800), (9360, 2136765), (10020, 1996020), (10236, 1953900), (10800, 1851863), (10855, 1842480), (11089, 1803600), (11700, 1709412), (12024, 1663350), (12525, 1596816), (12795, 1563120), (13026, 1535400), (13360, 1497015), (13648, 1465425), (14040, 1424510), (15030, 1330680), (15354, 1302600), (15600, 1282059), (16700, 1197612), (17060, 1172340), (17368, 1151550), (17550, 1139608), (18036, 1108900), (19539, 1023600), (20040, 998010), (20472, 976950), (21325, 937872), (21710, 921240), (22178, 901800), (22545, 887120), (23031, 868400), (23400, 854706), (24048, 831675), (25050, 798408), (25590, 781560), (26052, 767700), (28080, 712255), (30060, 665340), (30708, 651300), (32565, 614160), (33267, 601200), (33400, 598806), (34120, 586170), (34736, 575775), (35100, 569804), (36072, 554450), (37575, 532272), (38385, 521040), (39078, 511800), (40080, 499005), (40944, 488475), (42650, 468936), (43420, 460620), (44356, 450900), (45090, 443560), (46062, 434200), (46800, 427353), (50100, 399204), (51180, 390780), (52104, 383850), (54275, 368496), (55445, 360720), (58617, 341200), (60120, 332670), (61416, 325650), (63975, 312624), (65130, 307080), (66534, 300600), (66800, 299403), (68240, 293085), (70200, 284902), (72144, 277225), (75150, 266136), (76770, 260520), (78156, 255900), (85300, 234468), (86840, 230310), (88712, 225450), (90180, 221780), (92124, 217100), (97695, 204720), (99801, 200400), (100200, 199602), (102360, 195390), (104208, 191925), (108550, 184248), (110890, 180360), (112725, 177424), (115155, 173680), (117234, 170600), (120240, 166335), (122832, 162825), (127950, 156312), (130260, 153540), (133068, 150300), (140400, 142451)]