3960840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2566

約数の個数: 64

約数和(自身を含む): 12801600

約数和(自身を除く): 8840760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 2539, 5078, 7617, 10156, 12695, 15234, 20312, 25390, 30468, 33007, 38085, 50780, 60936, 66014, 76170, 99021, 101560, 132028, 152340, 165035, 198042, 264056, 304680, 330070, 396084, 495105, 660140, 792168, 990210, 1320280, 1980420, 3960840]

約数ペア:

[(1, 3960840), (2, 1980420), (3, 1320280), (4, 990210), (5, 792168), (6, 660140), (8, 495105), (10, 396084), (12, 330070), (13, 304680), (15, 264056), (20, 198042), (24, 165035), (26, 152340), (30, 132028), (39, 101560), (40, 99021), (52, 76170), (60, 66014), (65, 60936), (78, 50780), (104, 38085), (120, 33007), (130, 30468), (156, 25390), (195, 20312), (260, 15234), (312, 12695), (390, 10156), (520, 7617), (780, 5078), (1560, 2539)]