261818640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4603}}^1$

素因数の和:4701

約数の個数: 120

約数和(自身を含む): 890597760

約数和(自身を除く): 628779120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4603, 4740, 5688, 6320, 7110, 9206, 9480, 11376, 13809, 14220, 18412, 18960, 23015, 27618, 28440, 36824, 41427, 46030, 55236, 56880, 69045, 73648, 82854, 92060, 110472, 138090, 165708, 184120, 207135, 220944, 276180, 331416, 363637, 368240, 414270, 552360, 662832, 727274, 828540, 1090911, 1104720, 1454548, 1657080, 1818185, 2181822, 2909096, 3272733, 3314160, 3636370, 4363644, 5454555, 5818192, 6545466, 7272740, 8727288, 10909110, 13090932, 14545480, 16363665, 17454576, 21818220, 26181864, 29090960, 32727330, 43636440, 52363728, 65454660, 87272880, 130909320, 261818640]

約数ペア:

[(1, 261818640), (2, 130909320), (3, 87272880), (4, 65454660), (5, 52363728), (6, 43636440), (8, 32727330), (9, 29090960), (10, 26181864), (12, 21818220), (15, 17454576), (16, 16363665), (18, 14545480), (20, 13090932), (24, 10909110), (30, 8727288), (36, 7272740), (40, 6545466), (45, 5818192), (48, 5454555), (60, 4363644), (72, 3636370), (79, 3314160), (80, 3272733), (90, 2909096), (120, 2181822), (144, 1818185), (158, 1657080), (180, 1454548), (237, 1104720), (240, 1090911), (316, 828540), (360, 727274), (395, 662832), (474, 552360), (632, 414270), (711, 368240), (720, 363637), (790, 331416), (948, 276180), (1185, 220944), (1264, 207135), (1422, 184120), (1580, 165708), (1896, 138090), (2370, 110472), (2844, 92060), (3160, 82854), (3555, 73648), (3792, 69045), (4603, 56880), (4740, 55236), (5688, 46030), (6320, 41427), (7110, 36824), (9206, 28440), (9480, 27618), (11376, 23015), (13809, 18960), (14220, 18412)]