68209320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1091}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 205208640

約数和(自身を除く): 136999320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 1042, 1091, 1563, 2084, 2182, 2605, 3126, 3273, 4168, 4364, 5210, 5455, 6252, 6546, 7815, 8728, 10420, 10910, 12504, 13092, 15630, 16365, 20840, 21820, 26184, 31260, 32730, 43640, 62520, 65460, 130920, 568411, 1136822, 1705233, 2273644, 2842055, 3410466, 4547288, 5684110, 6820932, 8526165, 11368220, 13641864, 17052330, 22736440, 34104660, 68209320]

約数ペア:

[(1, 68209320), (2, 34104660), (3, 22736440), (4, 17052330), (5, 13641864), (6, 11368220), (8, 8526165), (10, 6820932), (12, 5684110), (15, 4547288), (20, 3410466), (24, 2842055), (30, 2273644), (40, 1705233), (60, 1136822), (120, 568411), (521, 130920), (1042, 65460), (1091, 62520), (1563, 43640), (2084, 32730), (2182, 31260), (2605, 26184), (3126, 21820), (3273, 20840), (4168, 16365), (4364, 15630), (5210, 13092), (5455, 12504), (6252, 10910), (6546, 10420), (7815, 8728)]