123746640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515611}}^1$

素因数の和:515627

約数の個数: 40

約数和(自身を含む): 383615328

約数和(自身を除く): 259868688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515611, 1031222, 1546833, 2062444, 2578055, 3093666, 4124888, 5156110, 6187332, 7734165, 8249776, 10312220, 12374664, 15468330, 20624440, 24749328, 30936660, 41248880, 61873320, 123746640]

約数ペア:

[(1, 123746640), (2, 61873320), (3, 41248880), (4, 30936660), (5, 24749328), (6, 20624440), (8, 15468330), (10, 12374664), (12, 10312220), (15, 8249776), (16, 7734165), (20, 6187332), (24, 5156110), (30, 4124888), (40, 3093666), (48, 2578055), (60, 2062444), (80, 1546833), (120, 1031222), (240, 515611)]