21870960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91129}}^1$

素因数の和:91145

約数の個数: 40

約数和(自身を含む): 67800720

約数和(自身を除く): 45929760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91129, 182258, 273387, 364516, 455645, 546774, 729032, 911290, 1093548, 1366935, 1458064, 1822580, 2187096, 2733870, 3645160, 4374192, 5467740, 7290320, 10935480, 21870960]

約数ペア:

[(1, 21870960), (2, 10935480), (3, 7290320), (4, 5467740), (5, 4374192), (6, 3645160), (8, 2733870), (10, 2187096), (12, 1822580), (15, 1458064), (16, 1366935), (20, 1093548), (24, 911290), (30, 729032), (40, 546774), (48, 455645), (60, 364516), (80, 273387), (120, 182258), (240, 91129)]