81239520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169249}}^1$

素因数の和:169267

約数の個数: 48

約数和(自身を含む): 255906000

約数和(自身を除く): 174666480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 169249, 338498, 507747, 676996, 846245, 1015494, 1353992, 1692490, 2030988, 2538735, 2707984, 3384980, 4061976, 5077470, 5415968, 6769960, 8123952, 10154940, 13539920, 16247904, 20309880, 27079840, 40619760, 81239520]

約数ペア:

[(1, 81239520), (2, 40619760), (3, 27079840), (4, 20309880), (5, 16247904), (6, 13539920), (8, 10154940), (10, 8123952), (12, 6769960), (15, 5415968), (16, 5077470), (20, 4061976), (24, 3384980), (30, 2707984), (32, 2538735), (40, 2030988), (48, 1692490), (60, 1353992), (80, 1015494), (96, 846245), (120, 676996), (160, 507747), (240, 338498), (480, 169249)]