15594540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20018

約数の個数: 48

約数和(自身を含む): 47025888

約数和(自身を除く): 31431348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19993, 39986, 59979, 79972, 99965, 119958, 199930, 239916, 259909, 299895, 399860, 519818, 599790, 779727, 1039636, 1199580, 1299545, 1559454, 2599090, 3118908, 3898635, 5198180, 7797270, 15594540]

約数ペア:

[(1, 15594540), (2, 7797270), (3, 5198180), (4, 3898635), (5, 3118908), (6, 2599090), (10, 1559454), (12, 1299545), (13, 1199580), (15, 1039636), (20, 779727), (26, 599790), (30, 519818), (39, 399860), (52, 299895), (60, 259909), (65, 239916), (78, 199930), (130, 119958), (156, 99965), (195, 79972), (260, 59979), (390, 39986), (780, 19993)]