2437240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 6098400

約数和(自身を除く): 3661160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 109, 130, 172, 215, 218, 260, 344, 430, 436, 520, 545, 559, 860, 872, 1090, 1118, 1417, 1720, 2180, 2236, 2795, 2834, 4360, 4472, 4687, 5590, 5668, 7085, 9374, 11180, 11336, 14170, 18748, 22360, 23435, 28340, 37496, 46870, 56680, 60931, 93740, 121862, 187480, 243724, 304655, 487448, 609310, 1218620, 2437240]

約数ペア:

[(1, 2437240), (2, 1218620), (4, 609310), (5, 487448), (8, 304655), (10, 243724), (13, 187480), (20, 121862), (26, 93740), (40, 60931), (43, 56680), (52, 46870), (65, 37496), (86, 28340), (104, 23435), (109, 22360), (130, 18748), (172, 14170), (215, 11336), (218, 11180), (260, 9374), (344, 7085), (430, 5668), (436, 5590), (520, 4687), (545, 4472), (559, 4360), (860, 2834), (872, 2795), (1090, 2236), (1118, 2180), (1417, 1720)]