1660971780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709817}}^1$

素因数の和:709845

約数の個数: 72

約数和(自身を含む): 5425848792

約数和(自身を除く): 3764877012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 709817, 1419634, 2129451, 2839268, 3549085, 4258902, 6388353, 7098170, 8517804, 9227621, 10647255, 12776706, 14196340, 18455242, 21294510, 25553412, 27682863, 31941765, 36910484, 42589020, 46138105, 55365726, 63883530, 83048589, 92276210, 110731452, 127767060, 138414315, 166097178, 184552420, 276828630, 332194356, 415242945, 553657260, 830485890, 1660971780]

約数ペア:

[(1, 1660971780), (2, 830485890), (3, 553657260), (4, 415242945), (5, 332194356), (6, 276828630), (9, 184552420), (10, 166097178), (12, 138414315), (13, 127767060), (15, 110731452), (18, 92276210), (20, 83048589), (26, 63883530), (30, 55365726), (36, 46138105), (39, 42589020), (45, 36910484), (52, 31941765), (60, 27682863), (65, 25553412), (78, 21294510), (90, 18455242), (117, 14196340), (130, 12776706), (156, 10647255), (180, 9227621), (195, 8517804), (234, 7098170), (260, 6388353), (390, 4258902), (468, 3549085), (585, 2839268), (780, 2129451), (1170, 1419634), (2340, 709817)]