65071720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 168094080

約数和(自身を除く): 103022360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 757, 1228, 1514, 1535, 2149, 2456, 3028, 3070, 3785, 4298, 5299, 6056, 6140, 7570, 8596, 10598, 10745, 12280, 15140, 17192, 21196, 21490, 26495, 30280, 42392, 42980, 52990, 85960, 105980, 211960, 232399, 464798, 929596, 1161995, 1626793, 1859192, 2323990, 3253586, 4647980, 6507172, 8133965, 9295960, 13014344, 16267930, 32535860, 65071720]

約数ペア:

[(1, 65071720), (2, 32535860), (4, 16267930), (5, 13014344), (7, 9295960), (8, 8133965), (10, 6507172), (14, 4647980), (20, 3253586), (28, 2323990), (35, 1859192), (40, 1626793), (56, 1161995), (70, 929596), (140, 464798), (280, 232399), (307, 211960), (614, 105980), (757, 85960), (1228, 52990), (1514, 42980), (1535, 42392), (2149, 30280), (2456, 26495), (3028, 21490), (3070, 21196), (3785, 17192), (4298, 15140), (5299, 12280), (6056, 10745), (6140, 10598), (7570, 8596)]