78228180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 120

約数和(自身を含む): 251335392

約数和(自身を除く): 173107212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1123, 1161, 1290, 1548, 1620, 1935, 2246, 2322, 2580, 3369, 3483, 3870, 4492, 4644, 5615, 5805, 6738, 6966, 7740, 10107, 11230, 11610, 13476, 13932, 16845, 17415, 20214, 22460, 23220, 30321, 33690, 34830, 40428, 48289, 50535, 60642, 67380, 69660, 90963, 96578, 101070, 121284, 144867, 151605, 181926, 193156, 202140, 241445, 289734, 303210, 363852, 434601, 454815, 482890, 579468, 606420, 724335, 869202, 909630, 965780, 1303803, 1448670, 1738404, 1819260, 2173005, 2607606, 2897340, 3911409, 4346010, 5215212, 6519015, 7822818, 8692020, 13038030, 15645636, 19557045, 26076060, 39114090, 78228180]

約数ペア:

[(1, 78228180), (2, 39114090), (3, 26076060), (4, 19557045), (5, 15645636), (6, 13038030), (9, 8692020), (10, 7822818), (12, 6519015), (15, 5215212), (18, 4346010), (20, 3911409), (27, 2897340), (30, 2607606), (36, 2173005), (43, 1819260), (45, 1738404), (54, 1448670), (60, 1303803), (81, 965780), (86, 909630), (90, 869202), (108, 724335), (129, 606420), (135, 579468), (162, 482890), (172, 454815), (180, 434601), (215, 363852), (258, 303210), (270, 289734), (324, 241445), (387, 202140), (405, 193156), (430, 181926), (516, 151605), (540, 144867), (645, 121284), (774, 101070), (810, 96578), (860, 90963), (1123, 69660), (1161, 67380), (1290, 60642), (1548, 50535), (1620, 48289), (1935, 40428), (2246, 34830), (2322, 33690), (2580, 30321), (3369, 23220), (3483, 22460), (3870, 20214), (4492, 17415), (4644, 16845), (5615, 13932), (5805, 13476), (6738, 11610), (6966, 11230), (7740, 10107)]