401977560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20551}}^1$

素因数の和:20728

約数の個数: 64

約数和(自身を含む): 1213390080

約数和(自身を除く): 811412520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 19560, 20551, 41102, 61653, 82204, 102755, 123306, 164408, 205510, 246612, 308265, 411020, 493224, 616530, 822040, 1233060, 2466120, 3349813, 6699626, 10049439, 13399252, 16749065, 20098878, 26798504, 33498130, 40197756, 50247195, 66996260, 80395512, 100494390, 133992520, 200988780, 401977560]

約数ペア:

[(1, 401977560), (2, 200988780), (3, 133992520), (4, 100494390), (5, 80395512), (6, 66996260), (8, 50247195), (10, 40197756), (12, 33498130), (15, 26798504), (20, 20098878), (24, 16749065), (30, 13399252), (40, 10049439), (60, 6699626), (120, 3349813), (163, 2466120), (326, 1233060), (489, 822040), (652, 616530), (815, 493224), (978, 411020), (1304, 308265), (1630, 246612), (1956, 205510), (2445, 164408), (3260, 123306), (3912, 102755), (4890, 82204), (6520, 61653), (9780, 41102), (19560, 20551)]