1372240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 3381480

約数和(自身を除く): 2009240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1009, 1360, 2018, 4036, 5045, 8072, 10090, 16144, 17153, 20180, 34306, 40360, 68612, 80720, 85765, 137224, 171530, 274448, 343060, 686120, 1372240]

約数ペア:

[(1, 1372240), (2, 686120), (4, 343060), (5, 274448), (8, 171530), (10, 137224), (16, 85765), (17, 80720), (20, 68612), (34, 40360), (40, 34306), (68, 20180), (80, 17153), (85, 16144), (136, 10090), (170, 8072), (272, 5045), (340, 4036), (680, 2018), (1009, 1360)]