870822160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1181}}^1$

素因数の和:1916

約数の個数: 80

約数和(自身を含む): 2185328880

約数和(自身を除く): 1314506720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 709, 1040, 1181, 1418, 2362, 2836, 3545, 4724, 5672, 5905, 7090, 9217, 9448, 11344, 11810, 14180, 15353, 18434, 18896, 23620, 28360, 30706, 36868, 46085, 47240, 56720, 61412, 73736, 76765, 92170, 94480, 122824, 147472, 153530, 184340, 245648, 307060, 368680, 614120, 737360, 837329, 1228240, 1674658, 3349316, 4186645, 6698632, 8373290, 10885277, 13397264, 16746580, 21770554, 33493160, 43541108, 54426385, 66986320, 87082216, 108852770, 174164432, 217705540, 435411080, 870822160]

約数ペア:

[(1, 870822160), (2, 435411080), (4, 217705540), (5, 174164432), (8, 108852770), (10, 87082216), (13, 66986320), (16, 54426385), (20, 43541108), (26, 33493160), (40, 21770554), (52, 16746580), (65, 13397264), (80, 10885277), (104, 8373290), (130, 6698632), (208, 4186645), (260, 3349316), (520, 1674658), (709, 1228240), (1040, 837329), (1181, 737360), (1418, 614120), (2362, 368680), (2836, 307060), (3545, 245648), (4724, 184340), (5672, 153530), (5905, 147472), (7090, 122824), (9217, 94480), (9448, 92170), (11344, 76765), (11810, 73736), (14180, 61412), (15353, 56720), (18434, 47240), (18896, 46085), (23620, 36868), (28360, 30706)]