123258390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{77521}}^1$

素因数の和:77584

約数の個数: 32

約数和(自身を含む): 301405536

約数和(自身を除く): 178147146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 77521, 155042, 232563, 387605, 465126, 775210, 1162815, 2325630, 4108613, 8217226, 12325839, 20543065, 24651678, 41086130, 61629195, 123258390]

約数ペア:

[(1, 123258390), (2, 61629195), (3, 41086130), (5, 24651678), (6, 20543065), (10, 12325839), (15, 8217226), (30, 4108613), (53, 2325630), (106, 1162815), (159, 775210), (265, 465126), (318, 387605), (530, 232563), (795, 155042), (1590, 77521)]