15691417820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{315977}}^1$

素因数の和:316190

約数の個数: 48

約数和(自身を含む): 35672652288

約数和(自身を除く): 19981234468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 9932, 12415, 24830, 49660, 315977, 631954, 1263908, 1579885, 3159770, 4107701, 6319540, 8215402, 16430804, 20538505, 41077010, 60351607, 82154020, 120703214, 241406428, 301758035, 603516070, 784570891, 1207032140, 1569141782, 3138283564, 3922854455, 7845708910, 15691417820]

約数ペア:

[(1, 15691417820), (2, 7845708910), (4, 3922854455), (5, 3138283564), (10, 1569141782), (13, 1207032140), (20, 784570891), (26, 603516070), (52, 301758035), (65, 241406428), (130, 120703214), (191, 82154020), (260, 60351607), (382, 41077010), (764, 20538505), (955, 16430804), (1910, 8215402), (2483, 6319540), (3820, 4107701), (4966, 3159770), (9932, 1579885), (12415, 1263908), (24830, 631954), (49660, 315977)]