15690020840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2321009}}^1$

素因数の和:2321046

約数の個数: 48

約数和(自身を含む): 38227034700

約数和(自身を除く): 22537013860

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 2321009, 4642018, 9284036, 11605045, 18568072, 23210090, 30173117, 46420180, 60346234, 92840360, 120692468, 150865585, 241384936, 301731170, 392250521, 603462340, 784501042, 1206924680, 1569002084, 1961252605, 3138004168, 3922505210, 7845010420, 15690020840]

約数ペア:

[(1, 15690020840), (2, 7845010420), (4, 3922505210), (5, 3138004168), (8, 1961252605), (10, 1569002084), (13, 1206924680), (20, 784501042), (26, 603462340), (40, 392250521), (52, 301731170), (65, 241384936), (104, 150865585), (130, 120692468), (169, 92840360), (260, 60346234), (338, 46420180), (520, 30173117), (676, 23210090), (845, 18568072), (1352, 11605045), (1690, 9284036), (3380, 4642018), (6760, 2321009)]