78586020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1319}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 239279040

約数和(自身を除く): 160693020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1319, 1324, 1655, 1986, 2638, 2979, 3310, 3957, 3972, 4965, 5276, 5958, 6595, 6620, 7914, 9930, 11871, 11916, 13190, 14895, 15828, 19785, 19860, 23742, 26380, 29790, 39570, 47484, 59355, 59580, 79140, 118710, 237420, 436589, 873178, 1309767, 1746356, 2182945, 2619534, 3929301, 4365890, 5239068, 6548835, 7858602, 8731780, 13097670, 15717204, 19646505, 26195340, 39293010, 78586020]

約数ペア:

[(1, 78586020), (2, 39293010), (3, 26195340), (4, 19646505), (5, 15717204), (6, 13097670), (9, 8731780), (10, 7858602), (12, 6548835), (15, 5239068), (18, 4365890), (20, 3929301), (30, 2619534), (36, 2182945), (45, 1746356), (60, 1309767), (90, 873178), (180, 436589), (331, 237420), (662, 118710), (993, 79140), (1319, 59580), (1324, 59355), (1655, 47484), (1986, 39570), (2638, 29790), (2979, 26380), (3310, 23742), (3957, 19860), (3972, 19785), (4965, 15828), (5276, 14895), (5958, 13190), (6595, 11916), (6620, 11871), (7914, 9930)]