87178260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111767}}^1$

素因数の和:111792

約数の個数: 48

約数和(自身を含む): 262878336

約数和(自身を除く): 175700076

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, 111767, 223534, 335301, 447068, 558835, 670602, 1117670, 1341204, 1452971, 1676505, 2235340, 2905942, 3353010, 4358913, 5811884, 6706020, 7264855, 8717826, 14529710, 17435652, 21794565, 29059420, 43589130, 87178260]

約数ペア:

[(1, 87178260), (2, 43589130), (3, 29059420), (4, 21794565), (5, 17435652), (6, 14529710), (10, 8717826), (12, 7264855), (13, 6706020), (15, 5811884), (20, 4358913), (26, 3353010), (30, 2905942), (39, 2235340), (52, 1676505), (60, 1452971), (65, 1341204), (78, 1117670), (130, 670602), (156, 558835), (195, 447068), (260, 335301), (390, 223534), (780, 111767)]