72576400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 120

約数和(自身を含む): 199065384

約数和(自身を除く): 126488984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 325, 340, 400, 425, 442, 520, 650, 680, 821, 850, 884, 1040, 1105, 1300, 1360, 1642, 1700, 1768, 2210, 2600, 3284, 3400, 3536, 4105, 4420, 5200, 5525, 6568, 6800, 8210, 8840, 10673, 11050, 13136, 13957, 16420, 17680, 20525, 21346, 22100, 27914, 32840, 41050, 42692, 44200, 53365, 55828, 65680, 69785, 82100, 85384, 88400, 106730, 111656, 139570, 164200, 170768, 181441, 213460, 223312, 266825, 279140, 328400, 348925, 362882, 426920, 533650, 558280, 697850, 725764, 853840, 907205, 1067300, 1116560, 1395700, 1451528, 1814410, 2134600, 2791400, 2903056, 3628820, 4269200, 4536025, 5582800, 7257640, 9072050, 14515280, 18144100, 36288200, 72576400]

約数ペア:

[(1, 72576400), (2, 36288200), (4, 18144100), (5, 14515280), (8, 9072050), (10, 7257640), (13, 5582800), (16, 4536025), (17, 4269200), (20, 3628820), (25, 2903056), (26, 2791400), (34, 2134600), (40, 1814410), (50, 1451528), (52, 1395700), (65, 1116560), (68, 1067300), (80, 907205), (85, 853840), (100, 725764), (104, 697850), (130, 558280), (136, 533650), (170, 426920), (200, 362882), (208, 348925), (221, 328400), (260, 279140), (272, 266825), (325, 223312), (340, 213460), (400, 181441), (425, 170768), (442, 164200), (520, 139570), (650, 111656), (680, 106730), (821, 88400), (850, 85384), (884, 82100), (1040, 69785), (1105, 65680), (1300, 55828), (1360, 53365), (1642, 44200), (1700, 42692), (1768, 41050), (2210, 32840), (2600, 27914), (3284, 22100), (3400, 21346), (3536, 20525), (4105, 17680), (4420, 16420), (5200, 13957), (5525, 13136), (6568, 11050), (6800, 10673), (8210, 8840)]