2549880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{787}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 8581320

約数和(自身を除く): 6031440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 787, 810, 1080, 1574, 1620, 2361, 3148, 3240, 3935, 4722, 6296, 7083, 7870, 9444, 11805, 14166, 15740, 18888, 21249, 23610, 28332, 31480, 35415, 42498, 47220, 56664, 63747, 70830, 84996, 94440, 106245, 127494, 141660, 169992, 212490, 254988, 283320, 318735, 424980, 509976, 637470, 849960, 1274940, 2549880]

約数ペア:

[(1, 2549880), (2, 1274940), (3, 849960), (4, 637470), (5, 509976), (6, 424980), (8, 318735), (9, 283320), (10, 254988), (12, 212490), (15, 169992), (18, 141660), (20, 127494), (24, 106245), (27, 94440), (30, 84996), (36, 70830), (40, 63747), (45, 56664), (54, 47220), (60, 42498), (72, 35415), (81, 31480), (90, 28332), (108, 23610), (120, 21249), (135, 18888), (162, 15740), (180, 14166), (216, 11805), (270, 9444), (324, 7870), (360, 7083), (405, 6296), (540, 4722), (648, 3935), (787, 3240), (810, 3148), (1080, 2361), (1574, 1620)]