255298640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 618817536

約数和(自身を除く): 363518896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 911, 1130, 1240, 1808, 1822, 2260, 2480, 3503, 3644, 4520, 4555, 7006, 7288, 9040, 9110, 14012, 14576, 17515, 18220, 28024, 28241, 35030, 36440, 56048, 56482, 70060, 72880, 102943, 112964, 140120, 141205, 205886, 225928, 280240, 282410, 411772, 451856, 514715, 564820, 823544, 1029430, 1129640, 1647088, 2058860, 2259280, 3191233, 4117720, 6382466, 8235440, 12764932, 15956165, 25529864, 31912330, 51059728, 63824660, 127649320, 255298640]

約数ペア:

[(1, 255298640), (2, 127649320), (4, 63824660), (5, 51059728), (8, 31912330), (10, 25529864), (16, 15956165), (20, 12764932), (31, 8235440), (40, 6382466), (62, 4117720), (80, 3191233), (113, 2259280), (124, 2058860), (155, 1647088), (226, 1129640), (248, 1029430), (310, 823544), (452, 564820), (496, 514715), (565, 451856), (620, 411772), (904, 282410), (911, 280240), (1130, 225928), (1240, 205886), (1808, 141205), (1822, 140120), (2260, 112964), (2480, 102943), (3503, 72880), (3644, 70060), (4520, 56482), (4555, 56048), (7006, 36440), (7288, 35030), (9040, 28241), (9110, 28024), (14012, 18220), (14576, 17515)]