180964225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 252327600

約数和(自身を除く): 71363375

約数列:

[1, 5, 13, 25, 37, 65, 101, 149, 185, 325, 481, 505, 745, 925, 1313, 1937, 2405, 2525, 3725, 3737, 5513, 6565, 9685, 12025, 15049, 18685, 27565, 32825, 48425, 48581, 71669, 75245, 93425, 137825, 195637, 242905, 358345, 376225, 556813, 978185, 1214525, 1791725, 2784065, 4890925, 7238569, 13920325, 36192845, 180964225]

約数ペア:

[(1, 180964225), (5, 36192845), (13, 13920325), (25, 7238569), (37, 4890925), (65, 2784065), (101, 1791725), (149, 1214525), (185, 978185), (325, 556813), (481, 376225), (505, 358345), (745, 242905), (925, 195637), (1313, 137825), (1937, 93425), (2405, 75245), (2525, 71669), (3725, 48581), (3737, 48425), (5513, 32825), (6565, 27565), (9685, 18685), (12025, 15049)]