68075320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 157813920

約数和(自身を除く): 89738600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 163, 197, 212, 265, 326, 394, 424, 530, 652, 788, 815, 985, 1060, 1304, 1576, 1630, 1970, 2120, 3260, 3940, 6520, 7880, 8639, 10441, 17278, 20882, 32111, 34556, 41764, 43195, 52205, 64222, 69112, 83528, 86390, 104410, 128444, 160555, 172780, 208820, 256888, 321110, 345560, 417640, 642220, 1284440, 1701883, 3403766, 6807532, 8509415, 13615064, 17018830, 34037660, 68075320]

約数ペア:

[(1, 68075320), (2, 34037660), (4, 17018830), (5, 13615064), (8, 8509415), (10, 6807532), (20, 3403766), (40, 1701883), (53, 1284440), (106, 642220), (163, 417640), (197, 345560), (212, 321110), (265, 256888), (326, 208820), (394, 172780), (424, 160555), (530, 128444), (652, 104410), (788, 86390), (815, 83528), (985, 69112), (1060, 64222), (1304, 52205), (1576, 43195), (1630, 41764), (1970, 34556), (2120, 32111), (3260, 20882), (3940, 17278), (6520, 10441), (7880, 8639)]