148769920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17881}}^1$

素因数の和:17913

約数の個数: 64

約数和(自身を含む): 383032440

約数和(自身を除く): 234262520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 17881, 35762, 71524, 89405, 143048, 178810, 232453, 286096, 357620, 464906, 572192, 715240, 929812, 1144384, 1162265, 1430480, 1859624, 2288768, 2324530, 2860960, 3719248, 4649060, 5721920, 7438496, 9298120, 11443840, 14876992, 18596240, 29753984, 37192480, 74384960, 148769920]

約数ペア:

[(1, 148769920), (2, 74384960), (4, 37192480), (5, 29753984), (8, 18596240), (10, 14876992), (13, 11443840), (16, 9298120), (20, 7438496), (26, 5721920), (32, 4649060), (40, 3719248), (52, 2860960), (64, 2324530), (65, 2288768), (80, 1859624), (104, 1430480), (128, 1162265), (130, 1144384), (160, 929812), (208, 715240), (260, 572192), (320, 464906), (416, 357620), (520, 286096), (640, 232453), (832, 178810), (1040, 143048), (1664, 89405), (2080, 71524), (4160, 35762), (8320, 17881)]