78882420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18517}}^1$

素因数の和:18600

約数の個数: 48

約数和(自身を含む): 223993728

約数和(自身を除く): 145111308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18517, 37034, 55551, 74068, 92585, 111102, 185170, 222204, 277755, 370340, 555510, 1111020, 1314707, 2629414, 3944121, 5258828, 6573535, 7888242, 13147070, 15776484, 19720605, 26294140, 39441210, 78882420]

約数ペア:

[(1, 78882420), (2, 39441210), (3, 26294140), (4, 19720605), (5, 15776484), (6, 13147070), (10, 7888242), (12, 6573535), (15, 5258828), (20, 3944121), (30, 2629414), (60, 1314707), (71, 1111020), (142, 555510), (213, 370340), (284, 277755), (355, 222204), (426, 185170), (710, 111102), (852, 92585), (1065, 74068), (1420, 55551), (2130, 37034), (4260, 18517)]