15739960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 22362440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 293, 316, 340, 395, 586, 632, 680, 790, 1172, 1343, 1465, 1580, 2344, 2686, 2930, 3160, 4981, 5372, 5860, 6715, 9962, 10744, 11720, 13430, 19924, 23147, 24905, 26860, 39848, 46294, 49810, 53720, 92588, 99620, 115735, 185176, 199240, 231470, 393499, 462940, 786998, 925880, 1573996, 1967495, 3147992, 3934990, 7869980, 15739960]

約数ペア:

[(1, 15739960), (2, 7869980), (4, 3934990), (5, 3147992), (8, 1967495), (10, 1573996), (17, 925880), (20, 786998), (34, 462940), (40, 393499), (68, 231470), (79, 199240), (85, 185176), (136, 115735), (158, 99620), (170, 92588), (293, 53720), (316, 49810), (340, 46294), (395, 39848), (586, 26860), (632, 24905), (680, 23147), (790, 19924), (1172, 13430), (1343, 11720), (1465, 10744), (1580, 9962), (2344, 6715), (2686, 5860), (2930, 5372), (3160, 4981)]