2887331440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:911

約数の個数: 160

約数和(自身を含む): 7868067840

約数和(自身を除く): 4980736400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 101, 112, 140, 142, 202, 280, 284, 355, 404, 497, 505, 560, 568, 707, 710, 719, 808, 994, 1010, 1136, 1414, 1420, 1438, 1616, 1988, 2020, 2485, 2828, 2840, 2876, 3535, 3595, 3976, 4040, 4970, 5033, 5656, 5680, 5752, 7070, 7171, 7190, 7952, 8080, 9940, 10066, 11312, 11504, 14140, 14342, 14380, 19880, 20132, 25165, 28280, 28684, 28760, 35855, 39760, 40264, 50197, 50330, 51049, 56560, 57368, 57520, 71710, 72619, 80528, 100394, 100660, 102098, 114736, 143420, 145238, 200788, 201320, 204196, 250985, 255245, 286840, 290476, 357343, 363095, 401576, 402640, 408392, 501970, 508333, 510490, 573680, 580952, 714686, 726190, 803152, 816784, 1003940, 1016666, 1020980, 1161904, 1429372, 1452380, 1786715, 2007880, 2033332, 2041960, 2541665, 2858744, 2904760, 3573430, 4015760, 4066664, 4083920, 5083330, 5155949, 5717488, 5809520, 7146860, 8133328, 10166660, 10311898, 14293720, 20333320, 20623796, 25779745, 28587440, 36091643, 40666640, 41247592, 51559490, 72183286, 82495184, 103118980, 144366572, 180458215, 206237960, 288733144, 360916430, 412475920, 577466288, 721832860, 1443665720, 2887331440]

約数ペア:

[(1, 2887331440), (2, 1443665720), (4, 721832860), (5, 577466288), (7, 412475920), (8, 360916430), (10, 288733144), (14, 206237960), (16, 180458215), (20, 144366572), (28, 103118980), (35, 82495184), (40, 72183286), (56, 51559490), (70, 41247592), (71, 40666640), (80, 36091643), (101, 28587440), (112, 25779745), (140, 20623796), (142, 20333320), (202, 14293720), (280, 10311898), (284, 10166660), (355, 8133328), (404, 7146860), (497, 5809520), (505, 5717488), (560, 5155949), (568, 5083330), (707, 4083920), (710, 4066664), (719, 4015760), (808, 3573430), (994, 2904760), (1010, 2858744), (1136, 2541665), (1414, 2041960), (1420, 2033332), (1438, 2007880), (1616, 1786715), (1988, 1452380), (2020, 1429372), (2485, 1161904), (2828, 1020980), (2840, 1016666), (2876, 1003940), (3535, 816784), (3595, 803152), (3976, 726190), (4040, 714686), (4970, 580952), (5033, 573680), (5656, 510490), (5680, 508333), (5752, 501970), (7070, 408392), (7171, 402640), (7190, 401576), (7952, 363095), (8080, 357343), (9940, 290476), (10066, 286840), (11312, 255245), (11504, 250985), (14140, 204196), (14342, 201320), (14380, 200788), (19880, 145238), (20132, 143420), (25165, 114736), (28280, 102098), (28684, 100660), (28760, 100394), (35855, 80528), (39760, 72619), (40264, 71710), (50197, 57520), (50330, 57368), (51049, 56560)]