720293740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 1655930304

約数和(自身を除く): 935636564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 163, 164, 170, 205, 317, 326, 340, 410, 634, 652, 697, 815, 820, 1268, 1394, 1585, 1630, 2771, 2788, 3170, 3260, 3485, 5389, 5542, 6340, 6683, 6970, 10778, 11084, 12997, 13366, 13855, 13940, 21556, 25994, 26732, 26945, 27710, 33415, 51671, 51988, 53890, 55420, 64985, 66830, 103342, 107780, 113611, 129970, 133660, 206684, 220949, 227222, 258355, 259940, 441898, 454444, 516710, 568055, 878407, 883796, 1033420, 1104745, 1136110, 1756814, 2118511, 2209490, 2272220, 3513628, 4237022, 4392035, 4418980, 8474044, 8784070, 10592555, 17568140, 21185110, 36014687, 42370220, 72029374, 144058748, 180073435, 360146870, 720293740]

約数ペア:

[(1, 720293740), (2, 360146870), (4, 180073435), (5, 144058748), (10, 72029374), (17, 42370220), (20, 36014687), (34, 21185110), (41, 17568140), (68, 10592555), (82, 8784070), (85, 8474044), (163, 4418980), (164, 4392035), (170, 4237022), (205, 3513628), (317, 2272220), (326, 2209490), (340, 2118511), (410, 1756814), (634, 1136110), (652, 1104745), (697, 1033420), (815, 883796), (820, 878407), (1268, 568055), (1394, 516710), (1585, 454444), (1630, 441898), (2771, 259940), (2788, 258355), (3170, 227222), (3260, 220949), (3485, 206684), (5389, 133660), (5542, 129970), (6340, 113611), (6683, 107780), (6970, 103342), (10778, 66830), (11084, 64985), (12997, 55420), (13366, 53890), (13855, 51988), (13940, 51671), (21556, 33415), (25994, 27710), (26732, 26945)]