68313680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 167560704

約数和(自身を除く): 99247024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 230, 271, 274, 368, 460, 542, 548, 685, 920, 1084, 1096, 1355, 1370, 1840, 2168, 2192, 2710, 2740, 3151, 4336, 5420, 5480, 6233, 6302, 10840, 10960, 12466, 12604, 15755, 21680, 24932, 25208, 31165, 31510, 37127, 49864, 50416, 62330, 63020, 74254, 99728, 124660, 126040, 148508, 185635, 249320, 252080, 297016, 371270, 498640, 594032, 742540, 853921, 1485080, 1707842, 2970160, 3415684, 4269605, 6831368, 8539210, 13662736, 17078420, 34156840, 68313680]

約数ペア:

[(1, 68313680), (2, 34156840), (4, 17078420), (5, 13662736), (8, 8539210), (10, 6831368), (16, 4269605), (20, 3415684), (23, 2970160), (40, 1707842), (46, 1485080), (80, 853921), (92, 742540), (115, 594032), (137, 498640), (184, 371270), (230, 297016), (271, 252080), (274, 249320), (368, 185635), (460, 148508), (542, 126040), (548, 124660), (685, 99728), (920, 74254), (1084, 63020), (1096, 62330), (1355, 50416), (1370, 49864), (1840, 37127), (2168, 31510), (2192, 31165), (2710, 25208), (2740, 24932), (3151, 21680), (4336, 15755), (5420, 12604), (5480, 12466), (6233, 10960), (6302, 10840)]