20700671600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10369}}^1$

素因数の和:10448

約数の個数: 240

約数和(自身を含む): 61228462080

約数和(自身を除く): 40527790480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 31, 35, 40, 46, 50, 56, 62, 70, 80, 92, 100, 112, 115, 124, 140, 155, 161, 175, 184, 200, 217, 230, 248, 280, 310, 322, 350, 368, 400, 434, 460, 496, 560, 575, 620, 644, 700, 713, 775, 805, 868, 920, 1085, 1150, 1240, 1288, 1400, 1426, 1550, 1610, 1736, 1840, 2170, 2300, 2480, 2576, 2800, 2852, 3100, 3220, 3472, 3565, 4025, 4340, 4600, 4991, 5425, 5704, 6200, 6440, 7130, 8050, 8680, 9200, 9982, 10369, 10850, 11408, 12400, 12880, 14260, 16100, 17360, 17825, 19964, 20738, 21700, 24955, 28520, 32200, 35650, 39928, 41476, 43400, 49910, 51845, 57040, 64400, 71300, 72583, 79856, 82952, 86800, 99820, 103690, 124775, 142600, 145166, 165904, 199640, 207380, 238487, 249550, 259225, 285200, 290332, 321439, 362915, 399280, 414760, 476974, 499100, 518450, 580664, 642878, 725830, 829520, 953948, 998200, 1036900, 1161328, 1192435, 1285756, 1451660, 1607195, 1669409, 1814575, 1907896, 1996400, 2073800, 2250073, 2384870, 2571512, 2903320, 3214390, 3338818, 3629150, 3815792, 4147600, 4500146, 4769740, 5143024, 5806640, 5962175, 6428780, 6677636, 7258300, 7393097, 8035975, 8347045, 9000292, 9539480, 11250365, 11924350, 12857560, 13355272, 14516600, 14786194, 16071950, 16694090, 18000584, 19078960, 22500730, 23848700, 25715120, 26710544, 29033200, 29572388, 32143900, 33388180, 36001168, 36965485, 41735225, 45001460, 47697400, 51751679, 56251825, 59144776, 64287800, 66776360, 73930970, 83470450, 90002920, 95394800, 103503358, 112503650, 118289552, 128575600, 133552720, 147861940, 166940900, 180005840, 184827425, 207006716, 225007300, 258758395, 295723880, 333881800, 369654850, 414013432, 450014600, 517516790, 591447760, 667763600, 739309700, 828026864, 900029200, 1035033580, 1293791975, 1478619400, 2070067160, 2587583950, 2957238800, 4140134320, 5175167900, 10350335800, 20700671600]

約数ペア:

[(1, 20700671600), (2, 10350335800), (4, 5175167900), (5, 4140134320), (7, 2957238800), (8, 2587583950), (10, 2070067160), (14, 1478619400), (16, 1293791975), (20, 1035033580), (23, 900029200), (25, 828026864), (28, 739309700), (31, 667763600), (35, 591447760), (40, 517516790), (46, 450014600), (50, 414013432), (56, 369654850), (62, 333881800), (70, 295723880), (80, 258758395), (92, 225007300), (100, 207006716), (112, 184827425), (115, 180005840), (124, 166940900), (140, 147861940), (155, 133552720), (161, 128575600), (175, 118289552), (184, 112503650), (200, 103503358), (217, 95394800), (230, 90002920), (248, 83470450), (280, 73930970), (310, 66776360), (322, 64287800), (350, 59144776), (368, 56251825), (400, 51751679), (434, 47697400), (460, 45001460), (496, 41735225), (560, 36965485), (575, 36001168), (620, 33388180), (644, 32143900), (700, 29572388), (713, 29033200), (775, 26710544), (805, 25715120), (868, 23848700), (920, 22500730), (1085, 19078960), (1150, 18000584), (1240, 16694090), (1288, 16071950), (1400, 14786194), (1426, 14516600), (1550, 13355272), (1610, 12857560), (1736, 11924350), (1840, 11250365), (2170, 9539480), (2300, 9000292), (2480, 8347045), (2576, 8035975), (2800, 7393097), (2852, 7258300), (3100, 6677636), (3220, 6428780), (3472, 5962175), (3565, 5806640), (4025, 5143024), (4340, 4769740), (4600, 4500146), (4991, 4147600), (5425, 3815792), (5704, 3629150), (6200, 3338818), (6440, 3214390), (7130, 2903320), (8050, 2571512), (8680, 2384870), (9200, 2250073), (9982, 2073800), (10369, 1996400), (10850, 1907896), (11408, 1814575), (12400, 1669409), (12880, 1607195), (14260, 1451660), (16100, 1285756), (17360, 1192435), (17825, 1161328), (19964, 1036900), (20738, 998200), (21700, 953948), (24955, 829520), (28520, 725830), (32200, 642878), (35650, 580664), (39928, 518450), (41476, 499100), (43400, 476974), (49910, 414760), (51845, 399280), (57040, 362915), (64400, 321439), (71300, 290332), (72583, 285200), (79856, 259225), (82952, 249550), (86800, 238487), (99820, 207380), (103690, 199640), (124775, 165904), (142600, 145166)]