465280240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1151}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 1124499456

約数和(自身を除く): 659219216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 1151, 1240, 1304, 1630, 2302, 2480, 2608, 3260, 4604, 5053, 5755, 6520, 9208, 10106, 11510, 13040, 18416, 20212, 23020, 25265, 35681, 40424, 46040, 50530, 71362, 80848, 92080, 101060, 142724, 178405, 187613, 202120, 285448, 356810, 375226, 404240, 570896, 713620, 750452, 938065, 1427240, 1500904, 1876130, 2854480, 3001808, 3752260, 5816003, 7504520, 11632006, 15009040, 23264012, 29080015, 46528024, 58160030, 93056048, 116320060, 232640120, 465280240]

約数ペア:

[(1, 465280240), (2, 232640120), (4, 116320060), (5, 93056048), (8, 58160030), (10, 46528024), (16, 29080015), (20, 23264012), (31, 15009040), (40, 11632006), (62, 7504520), (80, 5816003), (124, 3752260), (155, 3001808), (163, 2854480), (248, 1876130), (310, 1500904), (326, 1427240), (496, 938065), (620, 750452), (652, 713620), (815, 570896), (1151, 404240), (1240, 375226), (1304, 356810), (1630, 285448), (2302, 202120), (2480, 187613), (2608, 178405), (3260, 142724), (4604, 101060), (5053, 92080), (5755, 80848), (6520, 71362), (9208, 50530), (10106, 46040), (11510, 40424), (13040, 35681), (18416, 25265), (20212, 23020)]