2150873775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{769}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 3991827840

約数和(自身を除く): 1840954065

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 401, 465, 769, 775, 1203, 1395, 2005, 2307, 2325, 3609, 3845, 6015, 6921, 6975, 10025, 11535, 12431, 18045, 19225, 23839, 30075, 34605, 37293, 57675, 62155, 71517, 90225, 111879, 119195, 173025, 186465, 214551, 308369, 310775, 357585, 559395, 595975, 925107, 932325, 1072755, 1541845, 1787925, 2775321, 2796975, 4625535, 5363775, 7709225, 9559439, 13876605, 23127675, 28678317, 47797195, 69383025, 86034951, 143391585, 238985975, 430174755, 716957925, 2150873775]

約数ペア:

[(1, 2150873775), (3, 716957925), (5, 430174755), (9, 238985975), (15, 143391585), (25, 86034951), (31, 69383025), (45, 47797195), (75, 28678317), (93, 23127675), (155, 13876605), (225, 9559439), (279, 7709225), (401, 5363775), (465, 4625535), (769, 2796975), (775, 2775321), (1203, 1787925), (1395, 1541845), (2005, 1072755), (2307, 932325), (2325, 925107), (3609, 595975), (3845, 559395), (6015, 357585), (6921, 310775), (6975, 308369), (10025, 214551), (11535, 186465), (12431, 173025), (18045, 119195), (19225, 111879), (23839, 90225), (30075, 71517), (34605, 62155), (37293, 57675)]