2802540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3593}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 8453088

約数和(自身を除く): 5650548

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, 3593, 7186, 10779, 14372, 17965, 21558, 35930, 43116, 46709, 53895, 71860, 93418, 107790, 140127, 186836, 215580, 233545, 280254, 467090, 560508, 700635, 934180, 1401270, 2802540]

約数ペア:

[(1, 2802540), (2, 1401270), (3, 934180), (4, 700635), (5, 560508), (6, 467090), (10, 280254), (12, 233545), (13, 215580), (15, 186836), (20, 140127), (26, 107790), (30, 93418), (39, 71860), (52, 53895), (60, 46709), (65, 43116), (78, 35930), (130, 21558), (156, 17965), (195, 14372), (260, 10779), (390, 7186), (780, 3593)]