123709880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2441}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 319999680

約数和(自身を除く): 196289800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2441, 2534, 3620, 4882, 5068, 6335, 7240, 9764, 10136, 12205, 12670, 17087, 19528, 24410, 25340, 34174, 48820, 50680, 68348, 85435, 97640, 136696, 170870, 341740, 441821, 683480, 883642, 1767284, 2209105, 3092747, 3534568, 4418210, 6185494, 8836420, 12370988, 15463735, 17672840, 24741976, 30927470, 61854940, 123709880]

約数ペア:

[(1, 123709880), (2, 61854940), (4, 30927470), (5, 24741976), (7, 17672840), (8, 15463735), (10, 12370988), (14, 8836420), (20, 6185494), (28, 4418210), (35, 3534568), (40, 3092747), (56, 2209105), (70, 1767284), (140, 883642), (181, 683480), (280, 441821), (362, 341740), (724, 170870), (905, 136696), (1267, 97640), (1448, 85435), (1810, 68348), (2441, 50680), (2534, 48820), (3620, 34174), (4882, 25340), (5068, 24410), (6335, 19528), (7240, 17087), (9764, 12670), (10136, 12205)]