27840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1$

素因数の和:49

約数の個数: 56

約数和(自身を含む): 91440

約数和(自身を除く): 63600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 6960, 9280, 13920, 27840]

約数ペア:

[(1, 27840), (2, 13920), (3, 9280), (4, 6960), (5, 5568), (6, 4640), (8, 3480), (10, 2784), (12, 2320), (15, 1856), (16, 1740), (20, 1392), (24, 1160), (29, 960), (30, 928), (32, 870), (40, 696), (48, 580), (58, 480), (60, 464), (64, 435), (80, 348), (87, 320), (96, 290), (116, 240), (120, 232), (145, 192), (160, 174)]