1808120

素因数分解:

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

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 4309200

約数和(自身を除く): 2501080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2659, 5318, 10636, 13295, 21272, 26590, 45203, 53180, 90406, 106360, 180812, 226015, 361624, 452030, 904060, 1808120]

約数ペア:

[(1, 1808120), (2, 904060), (4, 452030), (5, 361624), (8, 226015), (10, 180812), (17, 106360), (20, 90406), (34, 53180), (40, 45203), (68, 26590), (85, 21272), (136, 13295), (170, 10636), (340, 5318), (680, 2659)]