81375065940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{140297}}^1$

素因数の和:141697

約数の個数: 96

約数和(自身を含む): 260590627584

約数和(自身を除く): 179215561644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1381, 2762, 4143, 5524, 6905, 8286, 9667, 13810, 16572, 19334, 20715, 27620, 29001, 38668, 41430, 48335, 58002, 82860, 96670, 116004, 140297, 145005, 193340, 280594, 290010, 420891, 561188, 580020, 701485, 841782, 982079, 1402970, 1683564, 1964158, 2104455, 2805940, 2946237, 3928316, 4208910, 4910395, 5892474, 8417820, 9820790, 11784948, 14731185, 19641580, 29462370, 58924740, 193750157, 387500314, 581250471, 775000628, 968750785, 1162500942, 1356251099, 1937501570, 2325001884, 2712502198, 2906252355, 3875003140, 4068753297, 5425004396, 5812504710, 6781255495, 8137506594, 11625009420, 13562510990, 16275013188, 20343766485, 27125021980, 40687532970, 81375065940]

約数ペア:

[(1, 81375065940), (2, 40687532970), (3, 27125021980), (4, 20343766485), (5, 16275013188), (6, 13562510990), (7, 11625009420), (10, 8137506594), (12, 6781255495), (14, 5812504710), (15, 5425004396), (20, 4068753297), (21, 3875003140), (28, 2906252355), (30, 2712502198), (35, 2325001884), (42, 1937501570), (60, 1356251099), (70, 1162500942), (84, 968750785), (105, 775000628), (140, 581250471), (210, 387500314), (420, 193750157), (1381, 58924740), (2762, 29462370), (4143, 19641580), (5524, 14731185), (6905, 11784948), (8286, 9820790), (9667, 8417820), (13810, 5892474), (16572, 4910395), (19334, 4208910), (20715, 3928316), (27620, 2946237), (29001, 2805940), (38668, 2104455), (41430, 1964158), (48335, 1683564), (58002, 1402970), (82860, 982079), (96670, 841782), (116004, 701485), (140297, 580020), (145005, 561188), (193340, 420891), (280594, 290010)]