161365575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2357

約数の個数: 72

約数和(自身を含む): 326824320

約数和(自身を除く): 165458745

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 1225, 1425, 1995, 2311, 2793, 3325, 3675, 4655, 6933, 9975, 11555, 13965, 16177, 23275, 34665, 43909, 48531, 57775, 69825, 80885, 113239, 131727, 173325, 219545, 242655, 307363, 339717, 404425, 566195, 658635, 922089, 1097725, 1213275, 1536815, 1698585, 2151541, 2830975, 3293175, 4610445, 6454623, 7684075, 8492925, 10757705, 23052225, 32273115, 53788525, 161365575]

約数ペア:

[(1, 161365575), (3, 53788525), (5, 32273115), (7, 23052225), (15, 10757705), (19, 8492925), (21, 7684075), (25, 6454623), (35, 4610445), (49, 3293175), (57, 2830975), (75, 2151541), (95, 1698585), (105, 1536815), (133, 1213275), (147, 1097725), (175, 922089), (245, 658635), (285, 566195), (399, 404425), (475, 339717), (525, 307363), (665, 242655), (735, 219545), (931, 173325), (1225, 131727), (1425, 113239), (1995, 80885), (2311, 69825), (2793, 57775), (3325, 48531), (3675, 43909), (4655, 34665), (6933, 23275), (9975, 16177), (11555, 13965)]