90751760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 231628032

約数和(自身を除く): 140876272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 367, 440, 562, 734, 880, 1124, 1405, 1468, 1835, 2248, 2810, 2936, 3091, 3670, 4037, 4496, 5620, 5872, 6182, 7340, 8074, 11240, 12364, 14680, 15455, 16148, 20185, 22480, 24728, 29360, 30910, 32296, 40370, 49456, 61820, 64592, 80740, 103127, 123640, 161480, 206254, 247280, 322960, 412508, 515635, 825016, 1031270, 1134397, 1650032, 2062540, 2268794, 4125080, 4537588, 5671985, 8250160, 9075176, 11343970, 18150352, 22687940, 45375880, 90751760]

約数ペア:

[(1, 90751760), (2, 45375880), (4, 22687940), (5, 18150352), (8, 11343970), (10, 9075176), (11, 8250160), (16, 5671985), (20, 4537588), (22, 4125080), (40, 2268794), (44, 2062540), (55, 1650032), (80, 1134397), (88, 1031270), (110, 825016), (176, 515635), (220, 412508), (281, 322960), (367, 247280), (440, 206254), (562, 161480), (734, 123640), (880, 103127), (1124, 80740), (1405, 64592), (1468, 61820), (1835, 49456), (2248, 40370), (2810, 32296), (2936, 30910), (3091, 29360), (3670, 24728), (4037, 22480), (4496, 20185), (5620, 16148), (5872, 15455), (6182, 14680), (7340, 12364), (8074, 11240)]