1487720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 3606120

約数和(自身を除く): 2118400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2861, 5722, 11444, 14305, 22888, 28610, 37193, 57220, 74386, 114440, 148772, 185965, 297544, 371930, 743860, 1487720]

約数ペア:

[(1, 1487720), (2, 743860), (4, 371930), (5, 297544), (8, 185965), (10, 148772), (13, 114440), (20, 74386), (26, 57220), (40, 37193), (52, 28610), (65, 22888), (104, 14305), (130, 11444), (260, 5722), (520, 2861)]