157186720

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9013}}^1$

素因数の和:9137

約数の個数: 48

約数和(自身を含む): 374802120

約数和(自身を除く): 217615400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 9013, 17440, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 288416, 360520, 721040, 982417, 1442080, 1964834, 3929668, 4912085, 7859336, 9824170, 15718672, 19648340, 31437344, 39296680, 78593360, 157186720]

約数ペア:

[(1, 157186720), (2, 78593360), (4, 39296680), (5, 31437344), (8, 19648340), (10, 15718672), (16, 9824170), (20, 7859336), (32, 4912085), (40, 3929668), (80, 1964834), (109, 1442080), (160, 982417), (218, 721040), (436, 360520), (545, 288416), (872, 180260), (1090, 144208), (1744, 90130), (2180, 72104), (3488, 45065), (4360, 36052), (8720, 18026), (9013, 17440)]