80307756

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 215495280

約数和(自身を除く): 135187524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 411, 548, 684, 822, 857, 1233, 1644, 1714, 2466, 2571, 2603, 3428, 4932, 5142, 5206, 7713, 7809, 10284, 10412, 15426, 15618, 16283, 23427, 30852, 31236, 32566, 46854, 48849, 65132, 93708, 97698, 117409, 146547, 195396, 234818, 293094, 352227, 469636, 586188, 704454, 1056681, 1408908, 2113362, 2230771, 4226724, 4461542, 6692313, 8923084, 13384626, 20076939, 26769252, 40153878, 80307756]

約数ペア:

[(1, 80307756), (2, 40153878), (3, 26769252), (4, 20076939), (6, 13384626), (9, 8923084), (12, 6692313), (18, 4461542), (19, 4226724), (36, 2230771), (38, 2113362), (57, 1408908), (76, 1056681), (114, 704454), (137, 586188), (171, 469636), (228, 352227), (274, 293094), (342, 234818), (411, 195396), (548, 146547), (684, 117409), (822, 97698), (857, 93708), (1233, 65132), (1644, 48849), (1714, 46854), (2466, 32566), (2571, 31236), (2603, 30852), (3428, 23427), (4932, 16283), (5142, 15618), (5206, 15426), (7713, 10412), (7809, 10284)]