851457360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{272903}}^1$

素因数の和:272932

約数の個数: 80

約数和(自身を含む): 2842568064

約数和(自身を除く): 1991110704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 272903, 545806, 818709, 1091612, 1364515, 1637418, 2183224, 2729030, 3274836, 3547739, 4093545, 4366448, 5458060, 6549672, 7095478, 8187090, 10643217, 10916120, 13099344, 14190956, 16374180, 17738695, 21286434, 21832240, 28381912, 32748360, 35477390, 42572868, 53216085, 56763824, 65496720, 70954780, 85145736, 106432170, 141909560, 170291472, 212864340, 283819120, 425728680, 851457360]

約数ペア:

[(1, 851457360), (2, 425728680), (3, 283819120), (4, 212864340), (5, 170291472), (6, 141909560), (8, 106432170), (10, 85145736), (12, 70954780), (13, 65496720), (15, 56763824), (16, 53216085), (20, 42572868), (24, 35477390), (26, 32748360), (30, 28381912), (39, 21832240), (40, 21286434), (48, 17738695), (52, 16374180), (60, 14190956), (65, 13099344), (78, 10916120), (80, 10643217), (104, 8187090), (120, 7095478), (130, 6549672), (156, 5458060), (195, 4366448), (208, 4093545), (240, 3547739), (260, 3274836), (312, 2729030), (390, 2183224), (520, 1637418), (624, 1364515), (780, 1091612), (1040, 818709), (1560, 545806), (3120, 272903)]