1280556240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42013}}^1$

素因数の和:42156

約数の個数: 80

約数和(自身を含む): 4001077248

約数和(自身を除く): 2720521008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 42013, 84026, 126039, 168052, 210065, 252078, 336104, 420130, 504156, 630195, 672208, 840260, 1008312, 1260390, 1680520, 2016624, 2520780, 3361040, 5041560, 5335651, 10083120, 10671302, 16006953, 21342604, 26678255, 32013906, 42685208, 53356510, 64027812, 80034765, 85370416, 106713020, 128055624, 160069530, 213426040, 256111248, 320139060, 426852080, 640278120, 1280556240]

約数ペア:

[(1, 1280556240), (2, 640278120), (3, 426852080), (4, 320139060), (5, 256111248), (6, 213426040), (8, 160069530), (10, 128055624), (12, 106713020), (15, 85370416), (16, 80034765), (20, 64027812), (24, 53356510), (30, 42685208), (40, 32013906), (48, 26678255), (60, 21342604), (80, 16006953), (120, 10671302), (127, 10083120), (240, 5335651), (254, 5041560), (381, 3361040), (508, 2520780), (635, 2016624), (762, 1680520), (1016, 1260390), (1270, 1008312), (1524, 840260), (1905, 672208), (2032, 630195), (2540, 504156), (3048, 420130), (3810, 336104), (5080, 252078), (6096, 210065), (7620, 168052), (10160, 126039), (15240, 84026), (30480, 42013)]