80943280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1642

約数の個数: 80

約数和(自身を含む): 208915200

約数和(自身を除く): 127971920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 1559, 2360, 2596, 3118, 3245, 4720, 5192, 6236, 6490, 7795, 10384, 12472, 12980, 15590, 17149, 24944, 25960, 31180, 34298, 51920, 62360, 68596, 85745, 91981, 124720, 137192, 171490, 183962, 274384, 342980, 367924, 459905, 685960, 735848, 919810, 1011791, 1371920, 1471696, 1839620, 2023582, 3679240, 4047164, 5058955, 7358480, 8094328, 10117910, 16188656, 20235820, 40471640, 80943280]

約数ペア:

[(1, 80943280), (2, 40471640), (4, 20235820), (5, 16188656), (8, 10117910), (10, 8094328), (11, 7358480), (16, 5058955), (20, 4047164), (22, 3679240), (40, 2023582), (44, 1839620), (55, 1471696), (59, 1371920), (80, 1011791), (88, 919810), (110, 735848), (118, 685960), (176, 459905), (220, 367924), (236, 342980), (295, 274384), (440, 183962), (472, 171490), (590, 137192), (649, 124720), (880, 91981), (944, 85745), (1180, 68596), (1298, 62360), (1559, 51920), (2360, 34298), (2596, 31180), (3118, 25960), (3245, 24944), (4720, 17149), (5192, 15590), (6236, 12980), (6490, 12472), (7795, 10384)]