172772220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{18341}}^1$

素因数の和:18510

約数の個数: 48

約数和(自身を含む): 486870048

約数和(自身を除く): 314097828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 18341, 36682, 55023, 73364, 91705, 110046, 183410, 220092, 275115, 366820, 550230, 1100460, 2879537, 5759074, 8638611, 11518148, 14397685, 17277222, 28795370, 34554444, 43193055, 57590740, 86386110, 172772220]

約数ペア:

[(1, 172772220), (2, 86386110), (3, 57590740), (4, 43193055), (5, 34554444), (6, 28795370), (10, 17277222), (12, 14397685), (15, 11518148), (20, 8638611), (30, 5759074), (60, 2879537), (157, 1100460), (314, 550230), (471, 366820), (628, 275115), (785, 220092), (942, 183410), (1570, 110046), (1884, 91705), (2355, 73364), (3140, 55023), (4710, 36682), (9420, 18341)]