72899840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 108

約数和(自身を含む): 189644364

約数和(自身を除く): 116744524

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 337, 338, 416, 520, 640, 674, 676, 832, 845, 1040, 1280, 1348, 1352, 1664, 1685, 1690, 2080, 2696, 2704, 3328, 3370, 3380, 4160, 4381, 5392, 5408, 6740, 6760, 8320, 8762, 10784, 10816, 13480, 13520, 16640, 17524, 21568, 21632, 21905, 26960, 27040, 35048, 43136, 43264, 43810, 53920, 54080, 56953, 70096, 86272, 87620, 107840, 108160, 113906, 140192, 175240, 215680, 216320, 227812, 280384, 284765, 350480, 431360, 455624, 560768, 569530, 700960, 911248, 1121536, 1139060, 1401920, 1822496, 2278120, 2803840, 3644992, 4556240, 5607680, 7289984, 9112480, 14579968, 18224960, 36449920, 72899840]

約数ペア:

[(1, 72899840), (2, 36449920), (4, 18224960), (5, 14579968), (8, 9112480), (10, 7289984), (13, 5607680), (16, 4556240), (20, 3644992), (26, 2803840), (32, 2278120), (40, 1822496), (52, 1401920), (64, 1139060), (65, 1121536), (80, 911248), (104, 700960), (128, 569530), (130, 560768), (160, 455624), (169, 431360), (208, 350480), (256, 284765), (260, 280384), (320, 227812), (337, 216320), (338, 215680), (416, 175240), (520, 140192), (640, 113906), (674, 108160), (676, 107840), (832, 87620), (845, 86272), (1040, 70096), (1280, 56953), (1348, 54080), (1352, 53920), (1664, 43810), (1685, 43264), (1690, 43136), (2080, 35048), (2696, 27040), (2704, 26960), (3328, 21905), (3370, 21632), (3380, 21568), (4160, 17524), (4381, 16640), (5392, 13520), (5408, 13480), (6740, 10816), (6760, 10784), (8320, 8762)]