30726220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 77728896

約数和(自身を除く): 47002676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 53, 70, 82, 101, 106, 140, 164, 202, 205, 212, 265, 287, 371, 404, 410, 505, 530, 574, 707, 742, 820, 1010, 1060, 1148, 1414, 1435, 1484, 1855, 2020, 2173, 2828, 2870, 3535, 3710, 4141, 4346, 5353, 5740, 7070, 7420, 8282, 8692, 10706, 10865, 14140, 15211, 16564, 20705, 21412, 21730, 26765, 28987, 30422, 37471, 41410, 43460, 53530, 57974, 60844, 74942, 76055, 82820, 107060, 115948, 144935, 149884, 152110, 187355, 219473, 289870, 304220, 374710, 438946, 579740, 749420, 877892, 1097365, 1536311, 2194730, 3072622, 4389460, 6145244, 7681555, 15363110, 30726220]

約数ペア:

[(1, 30726220), (2, 15363110), (4, 7681555), (5, 6145244), (7, 4389460), (10, 3072622), (14, 2194730), (20, 1536311), (28, 1097365), (35, 877892), (41, 749420), (53, 579740), (70, 438946), (82, 374710), (101, 304220), (106, 289870), (140, 219473), (164, 187355), (202, 152110), (205, 149884), (212, 144935), (265, 115948), (287, 107060), (371, 82820), (404, 76055), (410, 74942), (505, 60844), (530, 57974), (574, 53530), (707, 43460), (742, 41410), (820, 37471), (1010, 30422), (1060, 28987), (1148, 26765), (1414, 21730), (1435, 21412), (1484, 20705), (1855, 16564), (2020, 15211), (2173, 14140), (2828, 10865), (2870, 10706), (3535, 8692), (3710, 8282), (4141, 7420), (4346, 7070), (5353, 5740)]