8690280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 26308800

約数和(自身を除く): 17618520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 521, 556, 695, 834, 1042, 1112, 1390, 1563, 1668, 2084, 2085, 2605, 2780, 3126, 3336, 4168, 4170, 5210, 5560, 6252, 7815, 8340, 10420, 12504, 15630, 16680, 20840, 31260, 62520, 72419, 144838, 217257, 289676, 362095, 434514, 579352, 724190, 869028, 1086285, 1448380, 1738056, 2172570, 2896760, 4345140, 8690280]

約数ペア:

[(1, 8690280), (2, 4345140), (3, 2896760), (4, 2172570), (5, 1738056), (6, 1448380), (8, 1086285), (10, 869028), (12, 724190), (15, 579352), (20, 434514), (24, 362095), (30, 289676), (40, 217257), (60, 144838), (120, 72419), (139, 62520), (278, 31260), (417, 20840), (521, 16680), (556, 15630), (695, 12504), (834, 10420), (1042, 8340), (1112, 7815), (1390, 6252), (1563, 5560), (1668, 5210), (2084, 4170), (2085, 4168), (2605, 3336), (2780, 3126)]