78766860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21521}}^1$

素因数の和:21594

約数の個数: 48

約数和(自身を含む): 224173152

約数和(自身を除く): 145406292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21521, 43042, 64563, 86084, 107605, 129126, 215210, 258252, 322815, 430420, 645630, 1291260, 1312781, 2625562, 3938343, 5251124, 6563905, 7876686, 13127810, 15753372, 19691715, 26255620, 39383430, 78766860]

約数ペア:

[(1, 78766860), (2, 39383430), (3, 26255620), (4, 19691715), (5, 15753372), (6, 13127810), (10, 7876686), (12, 6563905), (15, 5251124), (20, 3938343), (30, 2625562), (60, 1312781), (61, 1291260), (122, 645630), (183, 430420), (244, 322815), (305, 258252), (366, 215210), (610, 129126), (732, 107605), (915, 86084), (1220, 64563), (1830, 43042), (3660, 21521)]