1280491840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93059}}^1$

素因数の和:93119

約数の個数: 56

約数和(自身を含む): 3120115680

約数和(自身を除く): 1839623840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 93059, 186118, 372236, 465295, 744472, 930590, 1488944, 1861180, 2977888, 3722360, 4001537, 5955776, 7444720, 8003074, 14889440, 16006148, 20007685, 29778880, 32012296, 40015370, 64024592, 80030740, 128049184, 160061480, 256098368, 320122960, 640245920, 1280491840]

約数ペア:

[(1, 1280491840), (2, 640245920), (4, 320122960), (5, 256098368), (8, 160061480), (10, 128049184), (16, 80030740), (20, 64024592), (32, 40015370), (40, 32012296), (43, 29778880), (64, 20007685), (80, 16006148), (86, 14889440), (160, 8003074), (172, 7444720), (215, 5955776), (320, 4001537), (344, 3722360), (430, 2977888), (688, 1861180), (860, 1488944), (1376, 930590), (1720, 744472), (2752, 465295), (3440, 372236), (6880, 186118), (13760, 93059)]