121427240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 313528320

約数和(自身を除く): 192101080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 53, 55, 82, 88, 106, 110, 127, 164, 205, 212, 220, 254, 265, 328, 410, 424, 440, 451, 508, 530, 583, 635, 820, 902, 1016, 1060, 1166, 1270, 1397, 1640, 1804, 2120, 2173, 2255, 2332, 2540, 2794, 2915, 3608, 4346, 4510, 4664, 5080, 5207, 5588, 5830, 6731, 6985, 8692, 9020, 10414, 10865, 11176, 11660, 13462, 13970, 17384, 18040, 20828, 21730, 23320, 23903, 26035, 26924, 27940, 33655, 41656, 43460, 47806, 52070, 53848, 55880, 57277, 67310, 74041, 86920, 95612, 104140, 114554, 119515, 134620, 148082, 191224, 208280, 229108, 239030, 269240, 275971, 286385, 296164, 370205, 458216, 478060, 551942, 572770, 592328, 740410, 956120, 1103884, 1145540, 1379855, 1480820, 2207768, 2291080, 2759710, 2961640, 3035681, 5519420, 6071362, 11038840, 12142724, 15178405, 24285448, 30356810, 60713620, 121427240]

約数ペア:

[(1, 121427240), (2, 60713620), (4, 30356810), (5, 24285448), (8, 15178405), (10, 12142724), (11, 11038840), (20, 6071362), (22, 5519420), (40, 3035681), (41, 2961640), (44, 2759710), (53, 2291080), (55, 2207768), (82, 1480820), (88, 1379855), (106, 1145540), (110, 1103884), (127, 956120), (164, 740410), (205, 592328), (212, 572770), (220, 551942), (254, 478060), (265, 458216), (328, 370205), (410, 296164), (424, 286385), (440, 275971), (451, 269240), (508, 239030), (530, 229108), (583, 208280), (635, 191224), (820, 148082), (902, 134620), (1016, 119515), (1060, 114554), (1166, 104140), (1270, 95612), (1397, 86920), (1640, 74041), (1804, 67310), (2120, 57277), (2173, 55880), (2255, 53848), (2332, 52070), (2540, 47806), (2794, 43460), (2915, 41656), (3608, 33655), (4346, 27940), (4510, 26924), (4664, 26035), (5080, 23903), (5207, 23320), (5588, 21730), (5830, 20828), (6731, 18040), (6985, 17384), (8692, 13970), (9020, 13462), (10414, 11660), (10865, 11176)]