78045720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4679}}^1$

素因数の和:4832

約数の個数: 64

約数和(自身を含む): 235872000

約数和(自身を除く): 157826280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4679, 5560, 8340, 9358, 14037, 16680, 18716, 23395, 28074, 37432, 46790, 56148, 70185, 93580, 112296, 140370, 187160, 280740, 561480, 650381, 1300762, 1951143, 2601524, 3251905, 3902286, 5203048, 6503810, 7804572, 9755715, 13007620, 15609144, 19511430, 26015240, 39022860, 78045720]

約数ペア:

[(1, 78045720), (2, 39022860), (3, 26015240), (4, 19511430), (5, 15609144), (6, 13007620), (8, 9755715), (10, 7804572), (12, 6503810), (15, 5203048), (20, 3902286), (24, 3251905), (30, 2601524), (40, 1951143), (60, 1300762), (120, 650381), (139, 561480), (278, 280740), (417, 187160), (556, 140370), (695, 112296), (834, 93580), (1112, 70185), (1390, 56148), (1668, 46790), (2085, 37432), (2780, 28074), (3336, 23395), (4170, 18716), (4679, 16680), (5560, 14037), (8340, 9358)]