84519760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 213267600

約数和(自身を除く): 128747840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 449, 520, 724, 898, 905, 1040, 1448, 1796, 1810, 2245, 2353, 2896, 3592, 3620, 4490, 4706, 5837, 7184, 7240, 8980, 9412, 11674, 11765, 14480, 17960, 18824, 23348, 23530, 29185, 35920, 37648, 46696, 47060, 58370, 81269, 93392, 94120, 116740, 162538, 188240, 233480, 325076, 406345, 466960, 650152, 812690, 1056497, 1300304, 1625380, 2112994, 3250760, 4225988, 5282485, 6501520, 8451976, 10564970, 16903952, 21129940, 42259880, 84519760]

約数ペア:

[(1, 84519760), (2, 42259880), (4, 21129940), (5, 16903952), (8, 10564970), (10, 8451976), (13, 6501520), (16, 5282485), (20, 4225988), (26, 3250760), (40, 2112994), (52, 1625380), (65, 1300304), (80, 1056497), (104, 812690), (130, 650152), (181, 466960), (208, 406345), (260, 325076), (362, 233480), (449, 188240), (520, 162538), (724, 116740), (898, 94120), (905, 93392), (1040, 81269), (1448, 58370), (1796, 47060), (1810, 46696), (2245, 37648), (2353, 35920), (2896, 29185), (3592, 23530), (3620, 23348), (4490, 18824), (4706, 17960), (5837, 14480), (7184, 11765), (7240, 11674), (8980, 9412)]