8401380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10771}}^1$

素因数の和:10796

約数の個数: 48

約数和(自身を含む): 25335744

約数和(自身を除く): 16934364

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, 10771, 21542, 32313, 43084, 53855, 64626, 107710, 129252, 140023, 161565, 215420, 280046, 323130, 420069, 560092, 646260, 700115, 840138, 1400230, 1680276, 2100345, 2800460, 4200690, 8401380]

約数ペア:

[(1, 8401380), (2, 4200690), (3, 2800460), (4, 2100345), (5, 1680276), (6, 1400230), (10, 840138), (12, 700115), (13, 646260), (15, 560092), (20, 420069), (26, 323130), (30, 280046), (39, 215420), (52, 161565), (60, 140023), (65, 129252), (78, 107710), (130, 64626), (156, 53855), (195, 43084), (260, 32313), (390, 21542), (780, 10771)]