1162720

素因数分解:

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

素因数の和:84

約数の個数: 72

約数和(自身を含む): 3043656

約数和(自身を除く): 1880936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 169, 172, 208, 215, 260, 338, 344, 416, 430, 520, 559, 676, 688, 845, 860, 1040, 1118, 1352, 1376, 1690, 1720, 2080, 2236, 2704, 2795, 3380, 3440, 4472, 5408, 5590, 6760, 6880, 7267, 8944, 11180, 13520, 14534, 17888, 22360, 27040, 29068, 36335, 44720, 58136, 72670, 89440, 116272, 145340, 232544, 290680, 581360, 1162720]

約数ペア:

[(1, 1162720), (2, 581360), (4, 290680), (5, 232544), (8, 145340), (10, 116272), (13, 89440), (16, 72670), (20, 58136), (26, 44720), (32, 36335), (40, 29068), (43, 27040), (52, 22360), (65, 17888), (80, 14534), (86, 13520), (104, 11180), (130, 8944), (160, 7267), (169, 6880), (172, 6760), (208, 5590), (215, 5408), (260, 4472), (338, 3440), (344, 3380), (416, 2795), (430, 2704), (520, 2236), (559, 2080), (676, 1720), (688, 1690), (845, 1376), (860, 1352), (1040, 1118)]