81184278640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{229127}}^1$

素因数の和:229286

約数の個数: 80

約数和(自身を含む): 195019089408

約数和(自身を除く): 113834810768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 344, 412, 430, 515, 688, 824, 860, 1030, 1648, 1720, 2060, 3440, 4120, 4429, 8240, 8858, 17716, 22145, 35432, 44290, 70864, 88580, 177160, 229127, 354320, 458254, 916508, 1145635, 1833016, 2291270, 3666032, 4582540, 9165080, 9852461, 18330160, 19704922, 23600081, 39409844, 47200162, 49262305, 78819688, 94400324, 98524610, 118000405, 157639376, 188800648, 197049220, 236000810, 377601296, 394098440, 472001620, 788196880, 944003240, 1014803483, 1888006480, 2029606966, 4059213932, 5074017415, 8118427864, 10148034830, 16236855728, 20296069660, 40592139320, 81184278640]

約数ペア:

[(1, 81184278640), (2, 40592139320), (4, 20296069660), (5, 16236855728), (8, 10148034830), (10, 8118427864), (16, 5074017415), (20, 4059213932), (40, 2029606966), (43, 1888006480), (80, 1014803483), (86, 944003240), (103, 788196880), (172, 472001620), (206, 394098440), (215, 377601296), (344, 236000810), (412, 197049220), (430, 188800648), (515, 157639376), (688, 118000405), (824, 98524610), (860, 94400324), (1030, 78819688), (1648, 49262305), (1720, 47200162), (2060, 39409844), (3440, 23600081), (4120, 19704922), (4429, 18330160), (8240, 9852461), (8858, 9165080), (17716, 4582540), (22145, 3666032), (35432, 2291270), (44290, 1833016), (70864, 1145635), (88580, 916508), (177160, 458254), (229127, 354320)]