30691120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22567}}^1$

素因数の和:22597

約数の個数: 40

約数和(自身を含む): 75557664

約数和(自身を除く): 44866544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22567, 45134, 90268, 112835, 180536, 225670, 361072, 383639, 451340, 767278, 902680, 1534556, 1805360, 1918195, 3069112, 3836390, 6138224, 7672780, 15345560, 30691120]

約数ペア:

[(1, 30691120), (2, 15345560), (4, 7672780), (5, 6138224), (8, 3836390), (10, 3069112), (16, 1918195), (17, 1805360), (20, 1534556), (34, 902680), (40, 767278), (68, 451340), (80, 383639), (85, 361072), (136, 225670), (170, 180536), (272, 112835), (340, 90268), (680, 45134), (1360, 22567)]