66257220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2213}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 185976000

約数和(自身を除く): 119718780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 998, 1497, 1996, 2213, 2495, 2994, 4426, 4990, 5988, 6639, 7485, 8852, 9980, 11065, 13278, 14970, 22130, 26556, 29940, 33195, 44260, 66390, 132780, 1104287, 2208574, 3312861, 4417148, 5521435, 6625722, 11042870, 13251444, 16564305, 22085740, 33128610, 66257220]

約数ペア:

[(1, 66257220), (2, 33128610), (3, 22085740), (4, 16564305), (5, 13251444), (6, 11042870), (10, 6625722), (12, 5521435), (15, 4417148), (20, 3312861), (30, 2208574), (60, 1104287), (499, 132780), (998, 66390), (1497, 44260), (1996, 33195), (2213, 29940), (2495, 26556), (2994, 22130), (4426, 14970), (4990, 13278), (5988, 11065), (6639, 9980), (7485, 8852)]