79993680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25668

約数の個数: 80

約数和(自身を含む): 267066240

約数和(自身を除く): 187072560

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, 25639, 51278, 76917, 102556, 128195, 153834, 205112, 256390, 307668, 333307, 384585, 410224, 512780, 615336, 666614, 769170, 999921, 1025560, 1230672, 1333228, 1538340, 1666535, 1999842, 2051120, 2666456, 3076680, 3333070, 3999684, 4999605, 5332912, 6153360, 6666140, 7999368, 9999210, 13332280, 15998736, 19998420, 26664560, 39996840, 79993680]

約数ペア:

[(1, 79993680), (2, 39996840), (3, 26664560), (4, 19998420), (5, 15998736), (6, 13332280), (8, 9999210), (10, 7999368), (12, 6666140), (13, 6153360), (15, 5332912), (16, 4999605), (20, 3999684), (24, 3333070), (26, 3076680), (30, 2666456), (39, 2051120), (40, 1999842), (48, 1666535), (52, 1538340), (60, 1333228), (65, 1230672), (78, 1025560), (80, 999921), (104, 769170), (120, 666614), (130, 615336), (156, 512780), (195, 410224), (208, 384585), (240, 333307), (260, 307668), (312, 256390), (390, 205112), (520, 153834), (624, 128195), (780, 102556), (1040, 76917), (1560, 51278), (3120, 25639)]