12980250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 36355176

約数和(自身を除く): 23374926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 641, 675, 750, 810, 1125, 1282, 1350, 1923, 2025, 2250, 3205, 3375, 3846, 4050, 5769, 6410, 6750, 9615, 10125, 11538, 16025, 17307, 19230, 20250, 28845, 32050, 34614, 48075, 51921, 57690, 80125, 86535, 96150, 103842, 144225, 160250, 173070, 240375, 259605, 288450, 432675, 480750, 519210, 721125, 865350, 1298025, 1442250, 2163375, 2596050, 4326750, 6490125, 12980250]

約数ペア:

[(1, 12980250), (2, 6490125), (3, 4326750), (5, 2596050), (6, 2163375), (9, 1442250), (10, 1298025), (15, 865350), (18, 721125), (25, 519210), (27, 480750), (30, 432675), (45, 288450), (50, 259605), (54, 240375), (75, 173070), (81, 160250), (90, 144225), (125, 103842), (135, 96150), (150, 86535), (162, 80125), (225, 57690), (250, 51921), (270, 48075), (375, 34614), (405, 32050), (450, 28845), (641, 20250), (675, 19230), (750, 17307), (810, 16025), (1125, 11538), (1282, 10125), (1350, 9615), (1923, 6750), (2025, 6410), (2250, 5769), (3205, 4050), (3375, 3846)]