78658680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655489}}^1$

素因数の和:655503

約数の個数: 32

約数和(自身を含む): 235976400

約数和(自身を除く): 157317720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655489, 1310978, 1966467, 2621956, 3277445, 3932934, 5243912, 6554890, 7865868, 9832335, 13109780, 15731736, 19664670, 26219560, 39329340, 78658680]

約数ペア:

[(1, 78658680), (2, 39329340), (3, 26219560), (4, 19664670), (5, 15731736), (6, 13109780), (8, 9832335), (10, 7865868), (12, 6554890), (15, 5243912), (20, 3932934), (24, 3277445), (30, 2621956), (40, 1966467), (60, 1310978), (120, 655489)]