54912780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 185412864

約数和(自身を除く): 130500084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 757, 780, 806, 930, 1116, 1170, 1209, 1395, 1514, 1612, 1860, 2015, 2271, 2340, 2418, 2790, 3028, 3627, 3785, 4030, 4542, 4836, 5580, 6045, 6813, 7254, 7570, 8060, 9084, 9841, 11355, 12090, 13626, 14508, 15140, 18135, 19682, 22710, 23467, 24180, 27252, 29523, 34065, 36270, 39364, 45420, 46934, 49205, 59046, 68130, 70401, 72540, 88569, 93868, 98410, 117335, 118092, 136260, 140802, 147615, 177138, 196820, 211203, 234670, 281604, 295230, 305071, 352005, 354276, 422406, 442845, 469340, 590460, 610142, 704010, 844812, 885690, 915213, 1056015, 1220284, 1408020, 1525355, 1771380, 1830426, 2112030, 2745639, 3050710, 3660852, 4224060, 4576065, 5491278, 6101420, 9152130, 10982556, 13728195, 18304260, 27456390, 54912780]

約数ペア:

[(1, 54912780), (2, 27456390), (3, 18304260), (4, 13728195), (5, 10982556), (6, 9152130), (9, 6101420), (10, 5491278), (12, 4576065), (13, 4224060), (15, 3660852), (18, 3050710), (20, 2745639), (26, 2112030), (30, 1830426), (31, 1771380), (36, 1525355), (39, 1408020), (45, 1220284), (52, 1056015), (60, 915213), (62, 885690), (65, 844812), (78, 704010), (90, 610142), (93, 590460), (117, 469340), (124, 442845), (130, 422406), (155, 354276), (156, 352005), (180, 305071), (186, 295230), (195, 281604), (234, 234670), (260, 211203), (279, 196820), (310, 177138), (372, 147615), (390, 140802), (403, 136260), (465, 118092), (468, 117335), (558, 98410), (585, 93868), (620, 88569), (757, 72540), (780, 70401), (806, 68130), (930, 59046), (1116, 49205), (1170, 46934), (1209, 45420), (1395, 39364), (1514, 36270), (1612, 34065), (1860, 29523), (2015, 27252), (2271, 24180), (2340, 23467), (2418, 22710), (2790, 19682), (3028, 18135), (3627, 15140), (3785, 14508), (4030, 13626), (4542, 12090), (4836, 11355), (5580, 9841), (6045, 9084), (6813, 8060), (7254, 7570)]