1495720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 3426120

約数和(自身を除く): 1930400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 613, 1220, 1226, 2440, 2452, 3065, 4904, 6130, 12260, 24520, 37393, 74786, 149572, 186965, 299144, 373930, 747860, 1495720]

約数ペア:

[(1, 1495720), (2, 747860), (4, 373930), (5, 299144), (8, 186965), (10, 149572), (20, 74786), (40, 37393), (61, 24520), (122, 12260), (244, 6130), (305, 4904), (488, 3065), (610, 2452), (613, 2440), (1220, 1226)]