68414360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1499}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 177120000

約数和(自身を除く): 108705640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1499, 1630, 2282, 2998, 3260, 4564, 5705, 5996, 6520, 7495, 9128, 10493, 11410, 11992, 14990, 20986, 22820, 29980, 41972, 45640, 52465, 59960, 83944, 104930, 209860, 244337, 419720, 488674, 977348, 1221685, 1710359, 1954696, 2443370, 3420718, 4886740, 6841436, 8551795, 9773480, 13682872, 17103590, 34207180, 68414360]

約数ペア:

[(1, 68414360), (2, 34207180), (4, 17103590), (5, 13682872), (7, 9773480), (8, 8551795), (10, 6841436), (14, 4886740), (20, 3420718), (28, 2443370), (35, 1954696), (40, 1710359), (56, 1221685), (70, 977348), (140, 488674), (163, 419720), (280, 244337), (326, 209860), (652, 104930), (815, 83944), (1141, 59960), (1304, 52465), (1499, 45640), (1630, 41972), (2282, 29980), (2998, 22820), (3260, 20986), (4564, 14990), (5705, 11992), (5996, 11410), (6520, 10493), (7495, 9128)]