78728790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^4\times {\mathrm{1093}}^1$

素因数の和:1131

約数の個数: 80

約数和(自身を含む): 220629168

約数和(自身を除く): 141900378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1093, 1470, 1715, 2058, 2186, 2401, 3279, 3430, 4802, 5145, 5465, 6558, 7203, 7651, 10290, 10930, 12005, 14406, 15302, 16395, 22953, 24010, 32790, 36015, 38255, 45906, 53557, 72030, 76510, 107114, 114765, 160671, 229530, 267785, 321342, 374899, 535570, 749798, 803355, 1124697, 1606710, 1874495, 2249394, 2624293, 3748990, 5248586, 5623485, 7872879, 11246970, 13121465, 15745758, 26242930, 39364395, 78728790]

約数ペア:

[(1, 78728790), (2, 39364395), (3, 26242930), (5, 15745758), (6, 13121465), (7, 11246970), (10, 7872879), (14, 5623485), (15, 5248586), (21, 3748990), (30, 2624293), (35, 2249394), (42, 1874495), (49, 1606710), (70, 1124697), (98, 803355), (105, 749798), (147, 535570), (210, 374899), (245, 321342), (294, 267785), (343, 229530), (490, 160671), (686, 114765), (735, 107114), (1029, 76510), (1093, 72030), (1470, 53557), (1715, 45906), (2058, 38255), (2186, 36015), (2401, 32790), (3279, 24010), (3430, 22953), (4802, 16395), (5145, 15302), (5465, 14406), (6558, 12005), (7203, 10930), (7651, 10290)]