1258748080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 2985523200

約数和(自身を除く): 1726775120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 151, 158, 302, 316, 395, 604, 632, 755, 790, 1208, 1264, 1319, 1510, 1580, 2416, 2638, 3020, 3160, 5276, 6040, 6320, 6595, 10552, 11929, 12080, 13190, 21104, 23858, 26380, 47716, 52760, 59645, 95432, 104201, 105520, 119290, 190864, 199169, 208402, 238580, 398338, 416804, 477160, 521005, 796676, 833608, 954320, 995845, 1042010, 1593352, 1667216, 1991690, 2084020, 3186704, 3983380, 4168040, 7966760, 8336080, 15734351, 15933520, 31468702, 62937404, 78671755, 125874808, 157343510, 251749616, 314687020, 629374040, 1258748080]

約数ペア:

[(1, 1258748080), (2, 629374040), (4, 314687020), (5, 251749616), (8, 157343510), (10, 125874808), (16, 78671755), (20, 62937404), (40, 31468702), (79, 15933520), (80, 15734351), (151, 8336080), (158, 7966760), (302, 4168040), (316, 3983380), (395, 3186704), (604, 2084020), (632, 1991690), (755, 1667216), (790, 1593352), (1208, 1042010), (1264, 995845), (1319, 954320), (1510, 833608), (1580, 796676), (2416, 521005), (2638, 477160), (3020, 416804), (3160, 398338), (5276, 238580), (6040, 208402), (6320, 199169), (6595, 190864), (10552, 119290), (11929, 105520), (12080, 104201), (13190, 95432), (21104, 59645), (23858, 52760), (26380, 47716)]