399816180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13627}}^1$

素因数の和:13805

約数の個数: 72

約数和(自身を含む): 1220305632

約数和(自身を除く): 820489452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 9780, 13627, 14670, 27254, 29340, 40881, 54508, 68135, 81762, 122643, 136270, 163524, 204405, 245286, 272540, 408810, 490572, 613215, 817620, 1226430, 2221201, 2452860, 4442402, 6663603, 8884804, 11106005, 13327206, 19990809, 22212010, 26654412, 33318015, 39981618, 44424020, 66636030, 79963236, 99954045, 133272060, 199908090, 399816180]

約数ペア:

[(1, 399816180), (2, 199908090), (3, 133272060), (4, 99954045), (5, 79963236), (6, 66636030), (9, 44424020), (10, 39981618), (12, 33318015), (15, 26654412), (18, 22212010), (20, 19990809), (30, 13327206), (36, 11106005), (45, 8884804), (60, 6663603), (90, 4442402), (163, 2452860), (180, 2221201), (326, 1226430), (489, 817620), (652, 613215), (815, 490572), (978, 408810), (1467, 272540), (1630, 245286), (1956, 204405), (2445, 163524), (2934, 136270), (3260, 122643), (4890, 81762), (5868, 68135), (7335, 54508), (9780, 40881), (13627, 29340), (14670, 27254)]