30738040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2659}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 73495800

約数和(自身を除く): 42757760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2659, 2890, 5318, 5780, 10636, 11560, 13295, 21272, 26590, 45203, 53180, 90406, 106360, 180812, 226015, 361624, 452030, 768451, 904060, 1536902, 1808120, 3073804, 3842255, 6147608, 7684510, 15369020, 30738040]

約数ペア:

[(1, 30738040), (2, 15369020), (4, 7684510), (5, 6147608), (8, 3842255), (10, 3073804), (17, 1808120), (20, 1536902), (34, 904060), (40, 768451), (68, 452030), (85, 361624), (136, 226015), (170, 180812), (289, 106360), (340, 90406), (578, 53180), (680, 45203), (1156, 26590), (1445, 21272), (2312, 13295), (2659, 11560), (2890, 10636), (5318, 5780)]