128549680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229553}}^1$

素因数の和:229573

約数の個数: 40

約数和(自身を含む): 341576352

約数和(自身を除く): 213026672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229553, 459106, 918212, 1147765, 1606871, 1836424, 2295530, 3213742, 3672848, 4591060, 6427484, 8034355, 9182120, 12854968, 16068710, 18364240, 25709936, 32137420, 64274840, 128549680]

約数ペア:

[(1, 128549680), (2, 64274840), (4, 32137420), (5, 25709936), (7, 18364240), (8, 16068710), (10, 12854968), (14, 9182120), (16, 8034355), (20, 6427484), (28, 4591060), (35, 3672848), (40, 3213742), (56, 2295530), (70, 1836424), (80, 1606871), (112, 1147765), (140, 918212), (280, 459106), (560, 229553)]