20872617120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{5791}}^1$

素因数の和:8315

約数の個数: 144

約数和(自身を含む): 71268567552

約数和(自身を除く): 50395950432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2503, 5006, 5791, 7509, 10012, 11582, 12515, 15018, 17373, 20024, 22527, 23164, 25030, 28955, 30036, 34746, 37545, 40048, 45054, 46328, 50060, 52119, 57910, 60072, 69492, 75090, 80096, 86865, 90108, 92656, 100120, 104238, 112635, 115820, 120144, 138984, 150180, 173730, 180216, 185312, 200240, 208476, 225270, 231640, 240288, 260595, 277968, 300360, 347460, 360432, 400480, 416952, 450540, 463280, 521190, 555936, 600720, 694920, 720864, 833904, 901080, 926560, 1042380, 1201440, 1389840, 1667808, 1802160, 2084760, 2779680, 3604320, 4169520, 8339040, 14494873, 28989746, 43484619, 57979492, 72474365, 86969238, 115958984, 130453857, 144948730, 173938476, 217423095, 231917968, 260907714, 289897460, 347876952, 434846190, 463835936, 521815428, 579794920, 652269285, 695753904, 869692380, 1043630856, 1159589840, 1304538570, 1391507808, 1739384760, 2087261712, 2319179680, 2609077140, 3478769520, 4174523424, 5218154280, 6957539040, 10436308560, 20872617120]

約数ペア:

[(1, 20872617120), (2, 10436308560), (3, 6957539040), (4, 5218154280), (5, 4174523424), (6, 3478769520), (8, 2609077140), (9, 2319179680), (10, 2087261712), (12, 1739384760), (15, 1391507808), (16, 1304538570), (18, 1159589840), (20, 1043630856), (24, 869692380), (30, 695753904), (32, 652269285), (36, 579794920), (40, 521815428), (45, 463835936), (48, 434846190), (60, 347876952), (72, 289897460), (80, 260907714), (90, 231917968), (96, 217423095), (120, 173938476), (144, 144948730), (160, 130453857), (180, 115958984), (240, 86969238), (288, 72474365), (360, 57979492), (480, 43484619), (720, 28989746), (1440, 14494873), (2503, 8339040), (5006, 4169520), (5791, 3604320), (7509, 2779680), (10012, 2084760), (11582, 1802160), (12515, 1667808), (15018, 1389840), (17373, 1201440), (20024, 1042380), (22527, 926560), (23164, 901080), (25030, 833904), (28955, 720864), (30036, 694920), (34746, 600720), (37545, 555936), (40048, 521190), (45054, 463280), (46328, 450540), (50060, 416952), (52119, 400480), (57910, 360432), (60072, 347460), (69492, 300360), (75090, 277968), (80096, 260595), (86865, 240288), (90108, 231640), (92656, 225270), (100120, 208476), (104238, 200240), (112635, 185312), (115820, 180216), (120144, 173730), (138984, 150180)]