161875520

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^2\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 84

約数和(自身を含む): 395561820

約数和(自身を除く): 233686300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 229, 235, 320, 376, 458, 470, 752, 916, 940, 1145, 1504, 1832, 1880, 2209, 2290, 3008, 3664, 3760, 4418, 4580, 7328, 7520, 8836, 9160, 10763, 11045, 14656, 15040, 17672, 18320, 21526, 22090, 35344, 36640, 43052, 44180, 53815, 70688, 73280, 86104, 88360, 107630, 141376, 172208, 176720, 215260, 344416, 353440, 430520, 505861, 688832, 706880, 861040, 1011722, 1722080, 2023444, 2529305, 3444160, 4046888, 5058610, 8093776, 10117220, 16187552, 20234440, 32375104, 40468880, 80937760, 161875520]

約数ペア:

[(1, 161875520), (2, 80937760), (4, 40468880), (5, 32375104), (8, 20234440), (10, 16187552), (16, 10117220), (20, 8093776), (32, 5058610), (40, 4046888), (47, 3444160), (64, 2529305), (80, 2023444), (94, 1722080), (160, 1011722), (188, 861040), (229, 706880), (235, 688832), (320, 505861), (376, 430520), (458, 353440), (470, 344416), (752, 215260), (916, 176720), (940, 172208), (1145, 141376), (1504, 107630), (1832, 88360), (1880, 86104), (2209, 73280), (2290, 70688), (3008, 53815), (3664, 44180), (3760, 43052), (4418, 36640), (4580, 35344), (7328, 22090), (7520, 21526), (8836, 18320), (9160, 17672), (10763, 15040), (11045, 14656)]