489931440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65851}}^1$

素因数の和:65898

約数の個数: 80

約数和(自身を含む): 1567804416

約数和(自身を除く): 1077872976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 65851, 131702, 197553, 263404, 329255, 395106, 526808, 658510, 790212, 987765, 1053616, 1317020, 1580424, 1975530, 2041381, 2634040, 3160848, 3951060, 4082762, 5268080, 6124143, 7902120, 8165524, 10206905, 12248286, 15804240, 16331048, 20413810, 24496572, 30620715, 32662096, 40827620, 48993144, 61241430, 81655240, 97986288, 122482860, 163310480, 244965720, 489931440]

約数ペア:

[(1, 489931440), (2, 244965720), (3, 163310480), (4, 122482860), (5, 97986288), (6, 81655240), (8, 61241430), (10, 48993144), (12, 40827620), (15, 32662096), (16, 30620715), (20, 24496572), (24, 20413810), (30, 16331048), (31, 15804240), (40, 12248286), (48, 10206905), (60, 8165524), (62, 7902120), (80, 6124143), (93, 5268080), (120, 4082762), (124, 3951060), (155, 3160848), (186, 2634040), (240, 2041381), (248, 1975530), (310, 1580424), (372, 1317020), (465, 1053616), (496, 987765), (620, 790212), (744, 658510), (930, 526808), (1240, 395106), (1488, 329255), (1860, 263404), (2480, 197553), (3720, 131702), (7440, 65851)]