264525520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67481}}^1$

素因数の和:67508

約数の個数: 60

約数和(自身を含む): 715444164

約数和(自身を除く): 450918644

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 67481, 134962, 269924, 337405, 472367, 539848, 674810, 944734, 1079696, 1349620, 1889468, 2361835, 2699240, 3306569, 3778936, 4723670, 5398480, 6613138, 7557872, 9447340, 13226276, 16532845, 18894680, 26452552, 33065690, 37789360, 52905104, 66131380, 132262760, 264525520]

約数ペア:

[(1, 264525520), (2, 132262760), (4, 66131380), (5, 52905104), (7, 37789360), (8, 33065690), (10, 26452552), (14, 18894680), (16, 16532845), (20, 13226276), (28, 9447340), (35, 7557872), (40, 6613138), (49, 5398480), (56, 4723670), (70, 3778936), (80, 3306569), (98, 2699240), (112, 2361835), (140, 1889468), (196, 1349620), (245, 1079696), (280, 944734), (392, 674810), (490, 539848), (560, 472367), (784, 337405), (980, 269924), (1960, 134962), (3920, 67481)]