30746720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 76839840

約数和(自身を除く): 46093120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 80, 82, 86, 109, 160, 164, 172, 205, 215, 218, 328, 344, 410, 430, 436, 545, 656, 688, 820, 860, 872, 1090, 1312, 1376, 1640, 1720, 1744, 1763, 2180, 3280, 3440, 3488, 3526, 4360, 4469, 4687, 6560, 6880, 7052, 8720, 8815, 8938, 9374, 14104, 17440, 17630, 17876, 18748, 22345, 23435, 28208, 35260, 35752, 37496, 44690, 46870, 56416, 70520, 71504, 74992, 89380, 93740, 141040, 143008, 149984, 178760, 187480, 192167, 282080, 357520, 374960, 384334, 715040, 749920, 768668, 960835, 1537336, 1921670, 3074672, 3843340, 6149344, 7686680, 15373360, 30746720]

約数ペア:

[(1, 30746720), (2, 15373360), (4, 7686680), (5, 6149344), (8, 3843340), (10, 3074672), (16, 1921670), (20, 1537336), (32, 960835), (40, 768668), (41, 749920), (43, 715040), (80, 384334), (82, 374960), (86, 357520), (109, 282080), (160, 192167), (164, 187480), (172, 178760), (205, 149984), (215, 143008), (218, 141040), (328, 93740), (344, 89380), (410, 74992), (430, 71504), (436, 70520), (545, 56416), (656, 46870), (688, 44690), (820, 37496), (860, 35752), (872, 35260), (1090, 28208), (1312, 23435), (1376, 22345), (1640, 18748), (1720, 17876), (1744, 17630), (1763, 17440), (2180, 14104), (3280, 9374), (3440, 8938), (3488, 8815), (3526, 8720), (4360, 7052), (4469, 6880), (4687, 6560)]