31878880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 51946400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 80, 88, 110, 118, 160, 176, 220, 236, 295, 307, 352, 440, 472, 590, 614, 649, 880, 944, 1180, 1228, 1298, 1535, 1760, 1888, 2360, 2456, 2596, 3070, 3245, 3377, 4720, 4912, 5192, 6140, 6490, 6754, 9440, 9824, 10384, 12280, 12980, 13508, 16885, 18113, 20768, 24560, 25960, 27016, 33770, 36226, 49120, 51920, 54032, 67540, 72452, 90565, 103840, 108064, 135080, 144904, 181130, 199243, 270160, 289808, 362260, 398486, 540320, 579616, 724520, 796972, 996215, 1449040, 1593944, 1992430, 2898080, 3187888, 3984860, 6375776, 7969720, 15939440, 31878880]

約数ペア:

[(1, 31878880), (2, 15939440), (4, 7969720), (5, 6375776), (8, 3984860), (10, 3187888), (11, 2898080), (16, 1992430), (20, 1593944), (22, 1449040), (32, 996215), (40, 796972), (44, 724520), (55, 579616), (59, 540320), (80, 398486), (88, 362260), (110, 289808), (118, 270160), (160, 199243), (176, 181130), (220, 144904), (236, 135080), (295, 108064), (307, 103840), (352, 90565), (440, 72452), (472, 67540), (590, 54032), (614, 51920), (649, 49120), (880, 36226), (944, 33770), (1180, 27016), (1228, 25960), (1298, 24560), (1535, 20768), (1760, 18113), (1888, 16885), (2360, 13508), (2456, 12980), (2596, 12280), (3070, 10384), (3245, 9824), (3377, 9440), (4720, 6754), (4912, 6490), (5192, 6140)]