2865718120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1283

約数の個数: 128

約数和(自身を含む): 7029504000

約数和(自身を除く): 4163785880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 356, 445, 460, 620, 712, 713, 890, 920, 1129, 1240, 1426, 1780, 2047, 2258, 2759, 2852, 3560, 3565, 4094, 4516, 5518, 5645, 5704, 7130, 8188, 9032, 10235, 11036, 11290, 13795, 14260, 16376, 20470, 22072, 22580, 25967, 27590, 28520, 34999, 40940, 45160, 51934, 55180, 63457, 69998, 81880, 100481, 103868, 110360, 126914, 129835, 139996, 174995, 200962, 207736, 253828, 259670, 279992, 317285, 349990, 401924, 502405, 507656, 519340, 634570, 699980, 803848, 804977, 1004810, 1038680, 1269140, 1399960, 1609954, 2009620, 2311063, 2538280, 3114911, 3219908, 4019240, 4024885, 4622126, 6229822, 6439816, 8049770, 9244252, 11555315, 12459644, 15574555, 16099540, 18488504, 23110630, 24919288, 31149110, 32199080, 46221260, 62298220, 71642953, 92442520, 124596440, 143285906, 286571812, 358214765, 573143624, 716429530, 1432859060, 2865718120]

約数ペア:

[(1, 2865718120), (2, 1432859060), (4, 716429530), (5, 573143624), (8, 358214765), (10, 286571812), (20, 143285906), (23, 124596440), (31, 92442520), (40, 71642953), (46, 62298220), (62, 46221260), (89, 32199080), (92, 31149110), (115, 24919288), (124, 23110630), (155, 18488504), (178, 16099540), (184, 15574555), (230, 12459644), (248, 11555315), (310, 9244252), (356, 8049770), (445, 6439816), (460, 6229822), (620, 4622126), (712, 4024885), (713, 4019240), (890, 3219908), (920, 3114911), (1129, 2538280), (1240, 2311063), (1426, 2009620), (1780, 1609954), (2047, 1399960), (2258, 1269140), (2759, 1038680), (2852, 1004810), (3560, 804977), (3565, 803848), (4094, 699980), (4516, 634570), (5518, 519340), (5645, 507656), (5704, 502405), (7130, 401924), (8188, 349990), (9032, 317285), (10235, 279992), (11036, 259670), (11290, 253828), (13795, 207736), (14260, 200962), (16376, 174995), (20470, 139996), (22072, 129835), (22580, 126914), (25967, 110360), (27590, 103868), (28520, 100481), (34999, 81880), (40940, 69998), (45160, 63457), (51934, 55180)]