2643420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 7973280

約数和(自身を除く): 5329860

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, 3389, 6778, 10167, 13556, 16945, 20334, 33890, 40668, 44057, 50835, 67780, 88114, 101670, 132171, 176228, 203340, 220285, 264342, 440570, 528684, 660855, 881140, 1321710, 2643420]

約数ペア:

[(1, 2643420), (2, 1321710), (3, 881140), (4, 660855), (5, 528684), (6, 440570), (10, 264342), (12, 220285), (13, 203340), (15, 176228), (20, 132171), (26, 101670), (30, 88114), (39, 67780), (52, 50835), (60, 44057), (65, 40668), (78, 33890), (130, 20334), (156, 16945), (195, 13556), (260, 10167), (390, 6778), (780, 3389)]