15747720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131231}}^1$

素因数の和:131245

約数の個数: 32

約数和(自身を含む): 47243520

約数和(自身を除く): 31495800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131231, 262462, 393693, 524924, 656155, 787386, 1049848, 1312310, 1574772, 1968465, 2624620, 3149544, 3936930, 5249240, 7873860, 15747720]

約数ペア:

[(1, 15747720), (2, 7873860), (3, 5249240), (4, 3936930), (5, 3149544), (6, 2624620), (8, 1968465), (10, 1574772), (12, 1312310), (15, 1049848), (20, 787386), (24, 656155), (30, 524924), (40, 393693), (60, 262462), (120, 131231)]