319974720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25672

約数の個数: 112

約数和(自身を含む): 1094110080

約数和(自身を除く): 774135360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 25639, 51278, 76917, 102556, 128195, 153834, 205112, 256390, 307668, 333307, 384585, 410224, 512780, 615336, 666614, 769170, 820448, 999921, 1025560, 1230672, 1333228, 1538340, 1640896, 1666535, 1999842, 2051120, 2461344, 2666456, 3076680, 3333070, 3999684, 4102240, 4922688, 4999605, 5332912, 6153360, 6666140, 7999368, 8204480, 9999210, 10665824, 12306720, 13332280, 15998736, 19998420, 21331648, 24613440, 26664560, 31997472, 39996840, 53329120, 63994944, 79993680, 106658240, 159987360, 319974720]

約数ペア:

[(1, 319974720), (2, 159987360), (3, 106658240), (4, 79993680), (5, 63994944), (6, 53329120), (8, 39996840), (10, 31997472), (12, 26664560), (13, 24613440), (15, 21331648), (16, 19998420), (20, 15998736), (24, 13332280), (26, 12306720), (30, 10665824), (32, 9999210), (39, 8204480), (40, 7999368), (48, 6666140), (52, 6153360), (60, 5332912), (64, 4999605), (65, 4922688), (78, 4102240), (80, 3999684), (96, 3333070), (104, 3076680), (120, 2666456), (130, 2461344), (156, 2051120), (160, 1999842), (192, 1666535), (195, 1640896), (208, 1538340), (240, 1333228), (260, 1230672), (312, 1025560), (320, 999921), (390, 820448), (416, 769170), (480, 666614), (520, 615336), (624, 512780), (780, 410224), (832, 384585), (960, 333307), (1040, 307668), (1248, 256390), (1560, 205112), (2080, 153834), (2496, 128195), (3120, 102556), (4160, 76917), (6240, 51278), (12480, 25639)]