123557080

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{11483}}^1$

素因数の和:11763

約数の個数: 32

約数和(自身を含む): 279061200

約数和(自身を除く): 155504120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 11483, 22966, 45932, 57415, 91864, 114830, 229660, 459320, 3088927, 6177854, 12355708, 15444635, 24711416, 30889270, 61778540, 123557080]

約数ペア:

[(1, 123557080), (2, 61778540), (4, 30889270), (5, 24711416), (8, 15444635), (10, 12355708), (20, 6177854), (40, 3088927), (269, 459320), (538, 229660), (1076, 114830), (1345, 91864), (2152, 57415), (2690, 45932), (5380, 22966), (10760, 11483)]