640107792

素因数分解:

$2^4\times 3^3\times {\mathrm{1481731}}^1$

素因数の和:1481748

約数の個数: 40

約数和(自身を含む): 1837347680

約数和(自身を除く): 1197239888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1481731, 2963462, 4445193, 5926924, 8890386, 11853848, 13335579, 17780772, 23707696, 26671158, 35561544, 40006737, 53342316, 71123088, 80013474, 106684632, 160026948, 213369264, 320053896, 640107792]

約数ペア:

[(1, 640107792), (2, 320053896), (3, 213369264), (4, 160026948), (6, 106684632), (8, 80013474), (9, 71123088), (12, 53342316), (16, 40006737), (18, 35561544), (24, 26671158), (27, 23707696), (36, 17780772), (48, 13335579), (54, 11853848), (72, 8890386), (108, 5926924), (144, 4445193), (216, 2963462), (432, 1481731)]