15711540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20168

約数の個数: 48

約数和(自身を含む): 47378688

約数和(自身を除く): 31667148

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, 20143, 40286, 60429, 80572, 100715, 120858, 201430, 241716, 261859, 302145, 402860, 523718, 604290, 785577, 1047436, 1208580, 1309295, 1571154, 2618590, 3142308, 3927885, 5237180, 7855770, 15711540]

約数ペア:

[(1, 15711540), (2, 7855770), (3, 5237180), (4, 3927885), (5, 3142308), (6, 2618590), (10, 1571154), (12, 1309295), (13, 1208580), (15, 1047436), (20, 785577), (26, 604290), (30, 523718), (39, 402860), (52, 302145), (60, 261859), (65, 241716), (78, 201430), (130, 120858), (156, 100715), (195, 80572), (260, 60429), (390, 40286), (780, 20143)]