81281200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 360

約数和(自身を含む): 276076080

約数和(自身を除く): 194794880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 29, 35, 40, 44, 49, 50, 52, 55, 56, 58, 65, 70, 77, 80, 88, 91, 98, 100, 104, 110, 112, 116, 130, 140, 143, 145, 154, 175, 176, 182, 196, 200, 203, 208, 220, 232, 245, 260, 275, 280, 286, 290, 308, 319, 325, 350, 364, 377, 385, 392, 400, 406, 440, 455, 464, 490, 520, 539, 550, 560, 572, 580, 616, 637, 638, 650, 700, 715, 725, 728, 754, 770, 784, 812, 880, 910, 980, 1001, 1015, 1040, 1078, 1100, 1144, 1160, 1225, 1232, 1274, 1276, 1300, 1400, 1421, 1430, 1450, 1456, 1508, 1540, 1595, 1624, 1820, 1885, 1925, 1960, 2002, 2030, 2156, 2200, 2233, 2275, 2288, 2320, 2450, 2548, 2552, 2600, 2639, 2695, 2800, 2842, 2860, 2900, 3016, 3080, 3185, 3190, 3248, 3575, 3640, 3770, 3850, 3920, 4004, 4060, 4147, 4312, 4400, 4466, 4550, 4900, 5005, 5075, 5096, 5104, 5200, 5278, 5390, 5684, 5720, 5800, 6032, 6160, 6370, 6380, 7007, 7105, 7150, 7280, 7540, 7700, 7975, 8008, 8120, 8294, 8624, 8932, 9100, 9425, 9800, 10010, 10150, 10192, 10556, 10780, 11165, 11368, 11440, 11600, 12740, 12760, 13195, 13475, 14014, 14210, 14300, 15080, 15400, 15631, 15925, 15950, 16016, 16240, 16588, 17864, 18200, 18473, 18850, 19600, 20020, 20300, 20735, 21112, 21560, 22330, 22736, 25025, 25480, 25520, 26390, 26950, 28028, 28420, 28600, 29029, 30160, 30800, 31262, 31850, 31900, 33176, 35035, 35525, 35728, 36400, 36946, 37700, 40040, 40600, 41470, 42224, 43120, 44660, 50050, 50960, 52780, 53900, 55825, 56056, 56840, 57200, 58058, 62524, 63700, 63800, 65975, 66352, 70070, 71050, 73892, 75400, 78155, 80080, 81200, 82940, 89320, 92365, 100100, 103675, 105560, 107800, 111650, 112112, 113680, 116116, 125048, 127400, 127600, 131950, 140140, 142100, 145145, 147784, 150800, 156310, 165880, 175175, 178640, 184730, 200200, 203203, 207350, 211120, 215600, 223300, 232232, 250096, 254800, 263900, 280280, 284200, 290290, 295568, 312620, 331760, 350350, 369460, 390775, 400400, 406406, 414700, 446600, 461825, 464464, 527800, 560560, 568400, 580580, 625240, 700700, 725725, 738920, 781550, 812812, 829400, 893200, 923650, 1016015, 1055600, 1161160, 1250480, 1401400, 1451450, 1477840, 1563100, 1625624, 1658800, 1847300, 2032030, 2322320, 2802800, 2902900, 3126200, 3251248, 3694600, 4064060, 5080075, 5805800, 6252400, 7389200, 8128120, 10160150, 11611600, 16256240, 20320300, 40640600, 81281200]

約数ペア:

[(1, 81281200), (2, 40640600), (4, 20320300), (5, 16256240), (7, 11611600), (8, 10160150), (10, 8128120), (11, 7389200), (13, 6252400), (14, 5805800), (16, 5080075), (20, 4064060), (22, 3694600), (25, 3251248), (26, 3126200), (28, 2902900), (29, 2802800), (35, 2322320), (40, 2032030), (44, 1847300), (49, 1658800), (50, 1625624), (52, 1563100), (55, 1477840), (56, 1451450), (58, 1401400), (65, 1250480), (70, 1161160), (77, 1055600), (80, 1016015), (88, 923650), (91, 893200), (98, 829400), (100, 812812), (104, 781550), (110, 738920), (112, 725725), (116, 700700), (130, 625240), (140, 580580), (143, 568400), (145, 560560), (154, 527800), (175, 464464), (176, 461825), (182, 446600), (196, 414700), (200, 406406), (203, 400400), (208, 390775), (220, 369460), (232, 350350), (245, 331760), (260, 312620), (275, 295568), (280, 290290), (286, 284200), (290, 280280), (308, 263900), (319, 254800), (325, 250096), (350, 232232), (364, 223300), (377, 215600), (385, 211120), (392, 207350), (400, 203203), (406, 200200), (440, 184730), (455, 178640), (464, 175175), (490, 165880), (520, 156310), (539, 150800), (550, 147784), (560, 145145), (572, 142100), (580, 140140), (616, 131950), (637, 127600), (638, 127400), (650, 125048), (700, 116116), (715, 113680), (725, 112112), (728, 111650), (754, 107800), (770, 105560), (784, 103675), (812, 100100), (880, 92365), (910, 89320), (980, 82940), (1001, 81200), (1015, 80080), (1040, 78155), (1078, 75400), (1100, 73892), (1144, 71050), (1160, 70070), (1225, 66352), (1232, 65975), (1274, 63800), (1276, 63700), (1300, 62524), (1400, 58058), (1421, 57200), (1430, 56840), (1450, 56056), (1456, 55825), (1508, 53900), (1540, 52780), (1595, 50960), (1624, 50050), (1820, 44660), (1885, 43120), (1925, 42224), (1960, 41470), (2002, 40600), (2030, 40040), (2156, 37700), (2200, 36946), (2233, 36400), (2275, 35728), (2288, 35525), (2320, 35035), (2450, 33176), (2548, 31900), (2552, 31850), (2600, 31262), (2639, 30800), (2695, 30160), (2800, 29029), (2842, 28600), (2860, 28420), (2900, 28028), (3016, 26950), (3080, 26390), (3185, 25520), (3190, 25480), (3248, 25025), (3575, 22736), (3640, 22330), (3770, 21560), (3850, 21112), (3920, 20735), (4004, 20300), (4060, 20020), (4147, 19600), (4312, 18850), (4400, 18473), (4466, 18200), (4550, 17864), (4900, 16588), (5005, 16240), (5075, 16016), (5096, 15950), (5104, 15925), (5200, 15631), (5278, 15400), (5390, 15080), (5684, 14300), (5720, 14210), (5800, 14014), (6032, 13475), (6160, 13195), (6370, 12760), (6380, 12740), (7007, 11600), (7105, 11440), (7150, 11368), (7280, 11165), (7540, 10780), (7700, 10556), (7975, 10192), (8008, 10150), (8120, 10010), (8294, 9800), (8624, 9425), (8932, 9100)]