81052140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103913}}^1$

素因数の和:103938

約数の個数: 48

約数和(自身を含む): 244405728

約数和(自身を除く): 163353588

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, 103913, 207826, 311739, 415652, 519565, 623478, 1039130, 1246956, 1350869, 1558695, 2078260, 2701738, 3117390, 4052607, 5403476, 6234780, 6754345, 8105214, 13508690, 16210428, 20263035, 27017380, 40526070, 81052140]

約数ペア:

[(1, 81052140), (2, 40526070), (3, 27017380), (4, 20263035), (5, 16210428), (6, 13508690), (10, 8105214), (12, 6754345), (13, 6234780), (15, 5403476), (20, 4052607), (26, 3117390), (30, 2701738), (39, 2078260), (52, 1558695), (60, 1350869), (65, 1246956), (78, 1039130), (130, 623478), (156, 519565), (195, 415652), (260, 311739), (390, 207826), (780, 103913)]