28328220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{467}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 86368464

約数和(自身を除く): 58040244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 467, 674, 934, 1011, 1348, 1401, 1685, 1868, 2022, 2335, 2802, 3033, 3370, 4044, 4203, 4670, 5055, 5604, 6066, 6740, 7005, 8406, 9340, 10110, 12132, 14010, 15165, 16812, 20220, 21015, 28020, 30330, 42030, 60660, 84060, 157379, 314758, 472137, 629516, 786895, 944274, 1416411, 1573790, 1888548, 2360685, 2832822, 3147580, 4721370, 5665644, 7082055, 9442740, 14164110, 28328220]

約数ペア:

[(1, 28328220), (2, 14164110), (3, 9442740), (4, 7082055), (5, 5665644), (6, 4721370), (9, 3147580), (10, 2832822), (12, 2360685), (15, 1888548), (18, 1573790), (20, 1416411), (30, 944274), (36, 786895), (45, 629516), (60, 472137), (90, 314758), (180, 157379), (337, 84060), (467, 60660), (674, 42030), (934, 30330), (1011, 28020), (1348, 21015), (1401, 20220), (1685, 16812), (1868, 15165), (2022, 14010), (2335, 12132), (2802, 10110), (3033, 9340), (3370, 8406), (4044, 7005), (4203, 6740), (4670, 6066), (5055, 5604)]