648281660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 1530869760

約数和(自身を除く): 882588100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 127, 130, 145, 254, 260, 290, 377, 508, 580, 635, 677, 754, 1270, 1354, 1508, 1651, 1885, 2540, 2708, 3302, 3385, 3683, 3770, 6604, 6770, 7366, 7540, 8255, 8801, 13540, 14732, 16510, 17602, 18415, 19633, 33020, 35204, 36830, 39266, 44005, 47879, 73660, 78532, 85979, 88010, 95758, 98165, 171958, 176020, 191516, 196330, 239395, 255229, 343916, 392660, 429895, 478790, 510458, 859790, 957580, 1020916, 1117727, 1276145, 1719580, 2235454, 2493391, 2552290, 4470908, 4986782, 5104580, 5588635, 9973564, 11177270, 12466955, 22354540, 24933910, 32414083, 49867820, 64828166, 129656332, 162070415, 324140830, 648281660]

約数ペア:

[(1, 648281660), (2, 324140830), (4, 162070415), (5, 129656332), (10, 64828166), (13, 49867820), (20, 32414083), (26, 24933910), (29, 22354540), (52, 12466955), (58, 11177270), (65, 9973564), (116, 5588635), (127, 5104580), (130, 4986782), (145, 4470908), (254, 2552290), (260, 2493391), (290, 2235454), (377, 1719580), (508, 1276145), (580, 1117727), (635, 1020916), (677, 957580), (754, 859790), (1270, 510458), (1354, 478790), (1508, 429895), (1651, 392660), (1885, 343916), (2540, 255229), (2708, 239395), (3302, 196330), (3385, 191516), (3683, 176020), (3770, 171958), (6604, 98165), (6770, 95758), (7366, 88010), (7540, 85979), (8255, 78532), (8801, 73660), (13540, 47879), (14732, 44005), (16510, 39266), (17602, 36830), (18415, 35204), (19633, 33020)]