987240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 3124800

約数和(自身を除く): 2137560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 433, 456, 570, 760, 866, 1140, 1299, 1732, 2165, 2280, 2598, 3464, 4330, 5196, 6495, 8227, 8660, 10392, 12990, 16454, 17320, 24681, 25980, 32908, 41135, 49362, 51960, 65816, 82270, 98724, 123405, 164540, 197448, 246810, 329080, 493620, 987240]

約数ペア:

[(1, 987240), (2, 493620), (3, 329080), (4, 246810), (5, 197448), (6, 164540), (8, 123405), (10, 98724), (12, 82270), (15, 65816), (19, 51960), (20, 49362), (24, 41135), (30, 32908), (38, 25980), (40, 24681), (57, 17320), (60, 16454), (76, 12990), (95, 10392), (114, 8660), (120, 8227), (152, 6495), (190, 5196), (228, 4330), (285, 3464), (380, 2598), (433, 2280), (456, 2165), (570, 1732), (760, 1299), (866, 1140)]