30439280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6449}}^1$

素因数の和:6521

約数の個数: 40

約数和(自身を含む): 71982000

約数和(自身を除く): 41542720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 6449, 12898, 25796, 32245, 51592, 64490, 103184, 128980, 257960, 380491, 515920, 760982, 1521964, 1902455, 3043928, 3804910, 6087856, 7609820, 15219640, 30439280]

約数ペア:

[(1, 30439280), (2, 15219640), (4, 7609820), (5, 6087856), (8, 3804910), (10, 3043928), (16, 1902455), (20, 1521964), (40, 760982), (59, 515920), (80, 380491), (118, 257960), (236, 128980), (295, 103184), (472, 64490), (590, 51592), (944, 32245), (1180, 25796), (2360, 12898), (4720, 6449)]