4320680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 11975040

約数和(自身を除く): 7654360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1187, 1820, 2374, 3640, 4748, 5935, 8309, 9496, 11870, 15431, 16618, 23740, 30862, 33236, 41545, 47480, 61724, 66472, 77155, 83090, 108017, 123448, 154310, 166180, 216034, 308620, 332360, 432068, 540085, 617240, 864136, 1080170, 2160340, 4320680]

約数ペア:

[(1, 4320680), (2, 2160340), (4, 1080170), (5, 864136), (7, 617240), (8, 540085), (10, 432068), (13, 332360), (14, 308620), (20, 216034), (26, 166180), (28, 154310), (35, 123448), (40, 108017), (52, 83090), (56, 77155), (65, 66472), (70, 61724), (91, 47480), (104, 41545), (130, 33236), (140, 30862), (182, 23740), (260, 16618), (280, 15431), (364, 11870), (455, 9496), (520, 8309), (728, 5935), (910, 4748), (1187, 3640), (1820, 2374)]