66363640

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 174446280

約数和(自身を除く): 108082640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 691, 980, 1372, 1382, 1715, 1960, 2401, 2744, 2764, 3430, 3455, 4802, 4837, 5528, 6860, 6910, 9604, 9674, 12005, 13720, 13820, 19208, 19348, 24010, 24185, 27640, 33859, 38696, 48020, 48370, 67718, 96040, 96740, 135436, 169295, 193480, 237013, 270872, 338590, 474026, 677180, 948052, 1185065, 1354360, 1659091, 1896104, 2370130, 3318182, 4740260, 6636364, 8295455, 9480520, 13272728, 16590910, 33181820, 66363640]

約数ペア:

[(1, 66363640), (2, 33181820), (4, 16590910), (5, 13272728), (7, 9480520), (8, 8295455), (10, 6636364), (14, 4740260), (20, 3318182), (28, 2370130), (35, 1896104), (40, 1659091), (49, 1354360), (56, 1185065), (70, 948052), (98, 677180), (140, 474026), (196, 338590), (245, 270872), (280, 237013), (343, 193480), (392, 169295), (490, 135436), (686, 96740), (691, 96040), (980, 67718), (1372, 48370), (1382, 48020), (1715, 38696), (1960, 33859), (2401, 27640), (2744, 24185), (2764, 24010), (3430, 19348), (3455, 19208), (4802, 13820), (4837, 13720), (5528, 12005), (6860, 9674), (6910, 9604)]