31243380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10627}}^1$

素因数の和:10653

約数の個数: 72

約数和(自身を含む): 101773728

約数和(自身を除く): 70530348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10627, 21254, 31881, 42508, 53135, 63762, 74389, 106270, 127524, 148778, 159405, 212540, 223167, 297556, 318810, 371945, 446334, 520723, 637620, 743890, 892668, 1041446, 1115835, 1487780, 1562169, 2082892, 2231670, 2603615, 3124338, 4463340, 5207230, 6248676, 7810845, 10414460, 15621690, 31243380]

約数ペア:

[(1, 31243380), (2, 15621690), (3, 10414460), (4, 7810845), (5, 6248676), (6, 5207230), (7, 4463340), (10, 3124338), (12, 2603615), (14, 2231670), (15, 2082892), (20, 1562169), (21, 1487780), (28, 1115835), (30, 1041446), (35, 892668), (42, 743890), (49, 637620), (60, 520723), (70, 446334), (84, 371945), (98, 318810), (105, 297556), (140, 223167), (147, 212540), (196, 159405), (210, 148778), (245, 127524), (294, 106270), (420, 74389), (490, 63762), (588, 53135), (735, 42508), (980, 31881), (1470, 21254), (2940, 10627)]