1990951560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{425417}}^1$

素因数の和:425447

約数の個数: 96

約数和(自身を含む): 6968346840

約数和(自身を除く): 4977395280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 425417, 850834, 1276251, 1701668, 2127085, 2552502, 3403336, 3828753, 4254170, 5105004, 5530421, 6381255, 7657506, 8508340, 10210008, 11060842, 12762510, 15315012, 16591263, 17016680, 19143765, 22121684, 25525020, 27652105, 30630024, 33182526, 38287530, 44243368, 49773789, 51050040, 55304210, 66365052, 76575060, 82956315, 99547578, 110608420, 132730104, 153150120, 165912630, 199095156, 221216840, 248868945, 331825260, 398190312, 497737890, 663650520, 995475780, 1990951560]

約数ペア:

[(1, 1990951560), (2, 995475780), (3, 663650520), (4, 497737890), (5, 398190312), (6, 331825260), (8, 248868945), (9, 221216840), (10, 199095156), (12, 165912630), (13, 153150120), (15, 132730104), (18, 110608420), (20, 99547578), (24, 82956315), (26, 76575060), (30, 66365052), (36, 55304210), (39, 51050040), (40, 49773789), (45, 44243368), (52, 38287530), (60, 33182526), (65, 30630024), (72, 27652105), (78, 25525020), (90, 22121684), (104, 19143765), (117, 17016680), (120, 16591263), (130, 15315012), (156, 12762510), (180, 11060842), (195, 10210008), (234, 8508340), (260, 7657506), (312, 6381255), (360, 5530421), (390, 5105004), (468, 4254170), (520, 3828753), (585, 3403336), (780, 2552502), (936, 2127085), (1170, 1701668), (1560, 1276251), (2340, 850834), (4680, 425417)]