275121420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1671

約数の個数: 96

約数和(自身を含む): 882610176

約数和(自身を除く): 607488756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 661, 991, 1322, 1982, 1983, 2644, 2973, 3305, 3964, 3966, 4627, 4955, 5946, 6610, 6937, 7932, 9254, 9910, 9915, 11892, 13220, 13874, 13881, 14865, 18508, 19820, 19830, 20811, 23135, 27748, 27762, 29730, 34685, 39660, 41622, 46270, 55524, 59460, 69370, 69405, 83244, 92540, 104055, 138740, 138810, 208110, 277620, 416220, 655051, 1310102, 1965153, 2620204, 3275255, 3930306, 4585357, 6550510, 7860612, 9170714, 9825765, 13101020, 13756071, 18341428, 19651530, 22926785, 27512142, 39303060, 45853570, 55024284, 68780355, 91707140, 137560710, 275121420]

約数ペア:

[(1, 275121420), (2, 137560710), (3, 91707140), (4, 68780355), (5, 55024284), (6, 45853570), (7, 39303060), (10, 27512142), (12, 22926785), (14, 19651530), (15, 18341428), (20, 13756071), (21, 13101020), (28, 9825765), (30, 9170714), (35, 7860612), (42, 6550510), (60, 4585357), (70, 3930306), (84, 3275255), (105, 2620204), (140, 1965153), (210, 1310102), (420, 655051), (661, 416220), (991, 277620), (1322, 208110), (1982, 138810), (1983, 138740), (2644, 104055), (2973, 92540), (3305, 83244), (3964, 69405), (3966, 69370), (4627, 59460), (4955, 55524), (5946, 46270), (6610, 41622), (6937, 39660), (7932, 34685), (9254, 29730), (9910, 27762), (9915, 27748), (11892, 23135), (13220, 20811), (13874, 19830), (13881, 19820), (14865, 18508)]