51107580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 155610000

約数和(自身を除く): 104502420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 569, 998, 1138, 1497, 1707, 1996, 2276, 2495, 2845, 2994, 3414, 4491, 4990, 5121, 5690, 5988, 6828, 7485, 8535, 8982, 9980, 10242, 11380, 14970, 17070, 17964, 20484, 22455, 25605, 29940, 34140, 44910, 51210, 89820, 102420, 283931, 567862, 851793, 1135724, 1419655, 1703586, 2555379, 2839310, 3407172, 4258965, 5110758, 5678620, 8517930, 10221516, 12776895, 17035860, 25553790, 51107580]

約数ペア:

[(1, 51107580), (2, 25553790), (3, 17035860), (4, 12776895), (5, 10221516), (6, 8517930), (9, 5678620), (10, 5110758), (12, 4258965), (15, 3407172), (18, 2839310), (20, 2555379), (30, 1703586), (36, 1419655), (45, 1135724), (60, 851793), (90, 567862), (180, 283931), (499, 102420), (569, 89820), (998, 51210), (1138, 44910), (1497, 34140), (1707, 29940), (1996, 25605), (2276, 22455), (2495, 20484), (2845, 17964), (2994, 17070), (3414, 14970), (4491, 11380), (4990, 10242), (5121, 9980), (5690, 8982), (5988, 8535), (6828, 7485)]