12855180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16481}}^1$

素因数の和:16506

約数の個数: 48

約数和(自身を含む): 38765664

約数和(自身を除く): 25910484

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, 16481, 32962, 49443, 65924, 82405, 98886, 164810, 197772, 214253, 247215, 329620, 428506, 494430, 642759, 857012, 988860, 1071265, 1285518, 2142530, 2571036, 3213795, 4285060, 6427590, 12855180]

約数ペア:

[(1, 12855180), (2, 6427590), (3, 4285060), (4, 3213795), (5, 2571036), (6, 2142530), (10, 1285518), (12, 1071265), (13, 988860), (15, 857012), (20, 642759), (26, 494430), (30, 428506), (39, 329620), (52, 247215), (60, 214253), (65, 197772), (78, 164810), (130, 98886), (156, 82405), (195, 65924), (260, 49443), (390, 32962), (780, 16481)]