40605720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{647}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 122238720

約数和(自身を除く): 81633000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 523, 647, 1046, 1294, 1569, 1941, 2092, 2588, 2615, 3138, 3235, 3882, 4184, 5176, 5230, 6276, 6470, 7764, 7845, 9705, 10460, 12552, 12940, 15528, 15690, 19410, 20920, 25880, 31380, 38820, 62760, 77640, 338381, 676762, 1015143, 1353524, 1691905, 2030286, 2707048, 3383810, 4060572, 5075715, 6767620, 8121144, 10151430, 13535240, 20302860, 40605720]

約数ペア:

[(1, 40605720), (2, 20302860), (3, 13535240), (4, 10151430), (5, 8121144), (6, 6767620), (8, 5075715), (10, 4060572), (12, 3383810), (15, 2707048), (20, 2030286), (24, 1691905), (30, 1353524), (40, 1015143), (60, 676762), (120, 338381), (523, 77640), (647, 62760), (1046, 38820), (1294, 31380), (1569, 25880), (1941, 20920), (2092, 19410), (2588, 15690), (2615, 15528), (3138, 12940), (3235, 12552), (3882, 10460), (4184, 9705), (5176, 7845), (5230, 7764), (6276, 6470)]