81567408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2042

約数の個数: 80

約数和(自身を含む): 230429696

約数和(自身を除く): 148862288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 67, 78, 104, 134, 156, 201, 208, 268, 312, 402, 536, 624, 804, 871, 1072, 1608, 1742, 1951, 2613, 3216, 3484, 3902, 5226, 5853, 6968, 7804, 10452, 11706, 13936, 15608, 20904, 23412, 25363, 31216, 41808, 46824, 50726, 76089, 93648, 101452, 130717, 152178, 202904, 261434, 304356, 392151, 405808, 522868, 608712, 784302, 1045736, 1217424, 1568604, 1699321, 2091472, 3137208, 3398642, 5097963, 6274416, 6797284, 10195926, 13594568, 20391852, 27189136, 40783704, 81567408]

約数ペア:

[(1, 81567408), (2, 40783704), (3, 27189136), (4, 20391852), (6, 13594568), (8, 10195926), (12, 6797284), (13, 6274416), (16, 5097963), (24, 3398642), (26, 3137208), (39, 2091472), (48, 1699321), (52, 1568604), (67, 1217424), (78, 1045736), (104, 784302), (134, 608712), (156, 522868), (201, 405808), (208, 392151), (268, 304356), (312, 261434), (402, 202904), (536, 152178), (624, 130717), (804, 101452), (871, 93648), (1072, 76089), (1608, 50726), (1742, 46824), (1951, 41808), (2613, 31216), (3216, 25363), (3484, 23412), (3902, 20904), (5226, 15608), (5853, 13936), (6968, 11706), (7804, 10452)]