15543320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 38283840

約数和(自身を除く): 22740520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 421, 520, 568, 710, 842, 923, 1420, 1684, 1846, 2105, 2840, 3368, 3692, 4210, 4615, 5473, 7384, 8420, 9230, 10946, 16840, 18460, 21892, 27365, 29891, 36920, 43784, 54730, 59782, 109460, 119564, 149455, 218920, 239128, 298910, 388583, 597820, 777166, 1195640, 1554332, 1942915, 3108664, 3885830, 7771660, 15543320]

約数ペア:

[(1, 15543320), (2, 7771660), (4, 3885830), (5, 3108664), (8, 1942915), (10, 1554332), (13, 1195640), (20, 777166), (26, 597820), (40, 388583), (52, 298910), (65, 239128), (71, 218920), (104, 149455), (130, 119564), (142, 109460), (260, 59782), (284, 54730), (355, 43784), (421, 36920), (520, 29891), (568, 27365), (710, 21892), (842, 18460), (923, 16840), (1420, 10946), (1684, 9230), (1846, 8420), (2105, 7384), (2840, 5473), (3368, 4615), (3692, 4210)]