16140540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20693}}^1$

素因数の和:20718

約数の個数: 48

約数和(自身を含む): 48672288

約数和(自身を除く): 32531748

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, 20693, 41386, 62079, 82772, 103465, 124158, 206930, 248316, 269009, 310395, 413860, 538018, 620790, 807027, 1076036, 1241580, 1345045, 1614054, 2690090, 3228108, 4035135, 5380180, 8070270, 16140540]

約数ペア:

[(1, 16140540), (2, 8070270), (3, 5380180), (4, 4035135), (5, 3228108), (6, 2690090), (10, 1614054), (12, 1345045), (13, 1241580), (15, 1076036), (20, 807027), (26, 620790), (30, 538018), (39, 413860), (52, 310395), (60, 269009), (65, 248316), (78, 206930), (130, 124158), (156, 103465), (195, 82772), (260, 62079), (390, 41386), (780, 20693)]