1615180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3951360

約数和(自身を除く): 2336180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 139, 140, 166, 278, 332, 415, 556, 581, 695, 830, 973, 1162, 1390, 1660, 1946, 2324, 2780, 2905, 3892, 4865, 5810, 9730, 11537, 11620, 19460, 23074, 46148, 57685, 80759, 115370, 161518, 230740, 323036, 403795, 807590, 1615180]

約数ペア:

[(1, 1615180), (2, 807590), (4, 403795), (5, 323036), (7, 230740), (10, 161518), (14, 115370), (20, 80759), (28, 57685), (35, 46148), (70, 23074), (83, 19460), (139, 11620), (140, 11537), (166, 9730), (278, 5810), (332, 4865), (415, 3892), (556, 2905), (581, 2780), (695, 2324), (830, 1946), (973, 1660), (1162, 1390)]