20816618400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:685

約数の個数: 432

約数和(自身を含む): 75855019968

約数和(自身を除く): 55038401568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 41, 45, 48, 50, 60, 72, 75, 80, 82, 90, 96, 100, 120, 123, 144, 150, 151, 160, 164, 180, 200, 205, 225, 240, 246, 288, 300, 302, 328, 360, 369, 400, 410, 450, 453, 467, 480, 492, 600, 604, 615, 656, 720, 738, 755, 800, 820, 900, 906, 934, 984, 1025, 1200, 1208, 1230, 1312, 1359, 1401, 1440, 1476, 1510, 1640, 1800, 1812, 1845, 1868, 1968, 2050, 2265, 2335, 2400, 2416, 2460, 2718, 2802, 2952, 3020, 3075, 3280, 3600, 3624, 3690, 3736, 3775, 3936, 4100, 4203, 4530, 4670, 4832, 4920, 5436, 5604, 5904, 6040, 6150, 6191, 6560, 6795, 7005, 7200, 7248, 7380, 7472, 7550, 8200, 8406, 9060, 9225, 9340, 9840, 10872, 11208, 11325, 11675, 11808, 12080, 12300, 12382, 13590, 14010, 14496, 14760, 14944, 15100, 16400, 16812, 18120, 18450, 18573, 18680, 19147, 19680, 21015, 21744, 22416, 22650, 23350, 24160, 24600, 24764, 27180, 28020, 29520, 30200, 30955, 32800, 33624, 33975, 35025, 36240, 36900, 37146, 37360, 38294, 42030, 43488, 44832, 45300, 46700, 49200, 49528, 54360, 55719, 56040, 57441, 59040, 60400, 61910, 67248, 67950, 70050, 70517, 72480, 73800, 74292, 74720, 76588, 84060, 90600, 92865, 93400, 95735, 98400, 99056, 105075, 108720, 111438, 112080, 114882, 120800, 123820, 134496, 135900, 140100, 141034, 147600, 148584, 153176, 154775, 168120, 172323, 181200, 185730, 186800, 191470, 198112, 210150, 211551, 217440, 222876, 224160, 229764, 247640, 271800, 278595, 280200, 282068, 287205, 295200, 297168, 306352, 309550, 336240, 344646, 352585, 362400, 371460, 373600, 382940, 420300, 423102, 445752, 459528, 464325, 478675, 495280, 543600, 557190, 560400, 564136, 574410, 594336, 612704, 619100, 634653, 672480, 689292, 705170, 742920, 765880, 840600, 846204, 861615, 891504, 919056, 928650, 957350, 990560, 1057755, 1087200, 1114380, 1120800, 1128272, 1148820, 1238200, 1269306, 1378584, 1392975, 1410340, 1436025, 1485840, 1531760, 1681200, 1692408, 1723230, 1762925, 1783008, 1838112, 1857300, 1914700, 2115510, 2228760, 2256544, 2297640, 2476400, 2538612, 2757168, 2785950, 2820680, 2872050, 2891197, 2971680, 3063520, 3173265, 3362400, 3384816, 3446460, 3525850, 3714600, 3829400, 4231020, 4308075, 4457520, 4595280, 4952800, 5077224, 5288775, 5514336, 5571900, 5641360, 5744100, 5782394, 6346530, 6769632, 6892920, 7051700, 7429200, 7658800, 8462040, 8616150, 8673591, 8915040, 9190560, 10154448, 10577550, 11143800, 11282720, 11488200, 11564788, 12693060, 13785840, 14103400, 14455985, 14858400, 15317600, 15866325, 16924080, 17232300, 17347182, 20308896, 21155100, 22287600, 22976400, 23129576, 25386120, 26020773, 27571680, 28206800, 28911970, 31732650, 33848160, 34464600, 34694364, 42310200, 43367955, 44575200, 45952800, 46259152, 50772240, 52041546, 56413600, 57823940, 63465300, 68929200, 69388728, 72279925, 84620400, 86735910, 92518304, 101544480, 104083092, 115647880, 126930600, 130103865, 137858400, 138777456, 144559850, 169240800, 173471820, 208166184, 216839775, 231295760, 253861200, 260207730, 277554912, 289119700, 346943640, 416332368, 433679550, 462591520, 507722400, 520415460, 578239400, 650519325, 693887280, 832664736, 867359100, 1040830920, 1156478800, 1301038650, 1387774560, 1734718200, 2081661840, 2312957600, 2602077300, 3469436400, 4163323680, 5204154600, 6938872800, 10408309200, 20816618400]

約数ペア:

[(1, 20816618400), (2, 10408309200), (3, 6938872800), (4, 5204154600), (5, 4163323680), (6, 3469436400), (8, 2602077300), (9, 2312957600), (10, 2081661840), (12, 1734718200), (15, 1387774560), (16, 1301038650), (18, 1156478800), (20, 1040830920), (24, 867359100), (25, 832664736), (30, 693887280), (32, 650519325), (36, 578239400), (40, 520415460), (41, 507722400), (45, 462591520), (48, 433679550), (50, 416332368), (60, 346943640), (72, 289119700), (75, 277554912), (80, 260207730), (82, 253861200), (90, 231295760), (96, 216839775), (100, 208166184), (120, 173471820), (123, 169240800), (144, 144559850), (150, 138777456), (151, 137858400), (160, 130103865), (164, 126930600), (180, 115647880), (200, 104083092), (205, 101544480), (225, 92518304), (240, 86735910), (246, 84620400), (288, 72279925), (300, 69388728), (302, 68929200), (328, 63465300), (360, 57823940), (369, 56413600), (400, 52041546), (410, 50772240), (450, 46259152), (453, 45952800), (467, 44575200), (480, 43367955), (492, 42310200), (600, 34694364), (604, 34464600), (615, 33848160), (656, 31732650), (720, 28911970), (738, 28206800), (755, 27571680), (800, 26020773), (820, 25386120), (900, 23129576), (906, 22976400), (934, 22287600), (984, 21155100), (1025, 20308896), (1200, 17347182), (1208, 17232300), (1230, 16924080), (1312, 15866325), (1359, 15317600), (1401, 14858400), (1440, 14455985), (1476, 14103400), (1510, 13785840), (1640, 12693060), (1800, 11564788), (1812, 11488200), (1845, 11282720), (1868, 11143800), (1968, 10577550), (2050, 10154448), (2265, 9190560), (2335, 8915040), (2400, 8673591), (2416, 8616150), (2460, 8462040), (2718, 7658800), (2802, 7429200), (2952, 7051700), (3020, 6892920), (3075, 6769632), (3280, 6346530), (3600, 5782394), (3624, 5744100), (3690, 5641360), (3736, 5571900), (3775, 5514336), (3936, 5288775), (4100, 5077224), (4203, 4952800), (4530, 4595280), (4670, 4457520), (4832, 4308075), (4920, 4231020), (5436, 3829400), (5604, 3714600), (5904, 3525850), (6040, 3446460), (6150, 3384816), (6191, 3362400), (6560, 3173265), (6795, 3063520), (7005, 2971680), (7200, 2891197), (7248, 2872050), (7380, 2820680), (7472, 2785950), (7550, 2757168), (8200, 2538612), (8406, 2476400), (9060, 2297640), (9225, 2256544), (9340, 2228760), (9840, 2115510), (10872, 1914700), (11208, 1857300), (11325, 1838112), (11675, 1783008), (11808, 1762925), (12080, 1723230), (12300, 1692408), (12382, 1681200), (13590, 1531760), (14010, 1485840), (14496, 1436025), (14760, 1410340), (14944, 1392975), (15100, 1378584), (16400, 1269306), (16812, 1238200), (18120, 1148820), (18450, 1128272), (18573, 1120800), (18680, 1114380), (19147, 1087200), (19680, 1057755), (21015, 990560), (21744, 957350), (22416, 928650), (22650, 919056), (23350, 891504), (24160, 861615), (24600, 846204), (24764, 840600), (27180, 765880), (28020, 742920), (29520, 705170), (30200, 689292), (30955, 672480), (32800, 634653), (33624, 619100), (33975, 612704), (35025, 594336), (36240, 574410), (36900, 564136), (37146, 560400), (37360, 557190), (38294, 543600), (42030, 495280), (43488, 478675), (44832, 464325), (45300, 459528), (46700, 445752), (49200, 423102), (49528, 420300), (54360, 382940), (55719, 373600), (56040, 371460), (57441, 362400), (59040, 352585), (60400, 344646), (61910, 336240), (67248, 309550), (67950, 306352), (70050, 297168), (70517, 295200), (72480, 287205), (73800, 282068), (74292, 280200), (74720, 278595), (76588, 271800), (84060, 247640), (90600, 229764), (92865, 224160), (93400, 222876), (95735, 217440), (98400, 211551), (99056, 210150), (105075, 198112), (108720, 191470), (111438, 186800), (112080, 185730), (114882, 181200), (120800, 172323), (123820, 168120), (134496, 154775), (135900, 153176), (140100, 148584), (141034, 147600)]