74256280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1627}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 192234240

約数和(自身を除く): 117977960

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, 1627, 1630, 2282, 3254, 3260, 4564, 5705, 6508, 6520, 8135, 9128, 11389, 11410, 13016, 16270, 22778, 22820, 32540, 45556, 45640, 56945, 65080, 91112, 113890, 227780, 265201, 455560, 530402, 1060804, 1326005, 1856407, 2121608, 2652010, 3712814, 5304020, 7425628, 9282035, 10608040, 14851256, 18564070, 37128140, 74256280]

約数ペア:

[(1, 74256280), (2, 37128140), (4, 18564070), (5, 14851256), (7, 10608040), (8, 9282035), (10, 7425628), (14, 5304020), (20, 3712814), (28, 2652010), (35, 2121608), (40, 1856407), (56, 1326005), (70, 1060804), (140, 530402), (163, 455560), (280, 265201), (326, 227780), (652, 113890), (815, 91112), (1141, 65080), (1304, 56945), (1627, 45640), (1630, 45556), (2282, 32540), (3254, 22820), (3260, 22778), (4564, 16270), (5705, 13016), (6508, 11410), (6520, 11389), (8135, 9128)]