64672140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82913}}^1$

素因数の和:82938

約数の個数: 48

約数和(自身を含む): 195013728

約数和(自身を除く): 130341588

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, 82913, 165826, 248739, 331652, 414565, 497478, 829130, 994956, 1077869, 1243695, 1658260, 2155738, 2487390, 3233607, 4311476, 4974780, 5389345, 6467214, 10778690, 12934428, 16168035, 21557380, 32336070, 64672140]

約数ペア:

[(1, 64672140), (2, 32336070), (3, 21557380), (4, 16168035), (5, 12934428), (6, 10778690), (10, 6467214), (12, 5389345), (13, 4974780), (15, 4311476), (20, 3233607), (26, 2487390), (30, 2155738), (39, 1658260), (52, 1243695), (60, 1077869), (65, 994956), (78, 829130), (130, 497478), (156, 414565), (195, 331652), (260, 248739), (390, 165826), (780, 82913)]