15779660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 36027936

約数和(自身を除く): 20248276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 443, 548, 685, 886, 1370, 1772, 1781, 2215, 2740, 3562, 4430, 5759, 7124, 8860, 8905, 11518, 17810, 23036, 28795, 35620, 57590, 60691, 115180, 121382, 242764, 303455, 606910, 788983, 1213820, 1577966, 3155932, 3944915, 7889830, 15779660]

約数ペア:

[(1, 15779660), (2, 7889830), (4, 3944915), (5, 3155932), (10, 1577966), (13, 1213820), (20, 788983), (26, 606910), (52, 303455), (65, 242764), (130, 121382), (137, 115180), (260, 60691), (274, 57590), (443, 35620), (548, 28795), (685, 23036), (886, 17810), (1370, 11518), (1772, 8905), (1781, 8860), (2215, 7124), (2740, 5759), (3562, 4430)]