77271880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 131747000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 53, 56, 70, 82, 106, 127, 140, 164, 205, 212, 254, 265, 280, 287, 328, 371, 410, 424, 508, 530, 574, 635, 742, 820, 889, 1016, 1060, 1148, 1270, 1435, 1484, 1640, 1778, 1855, 2120, 2173, 2296, 2540, 2870, 2968, 3556, 3710, 4346, 4445, 5080, 5207, 5740, 6731, 7112, 7420, 8692, 8890, 10414, 10865, 11480, 13462, 14840, 15211, 17384, 17780, 20828, 21730, 26035, 26924, 30422, 33655, 35560, 36449, 41656, 43460, 47117, 52070, 53848, 60844, 67310, 72898, 76055, 86920, 94234, 104140, 121688, 134620, 145796, 152110, 182245, 188468, 208280, 235585, 269240, 275971, 291592, 304220, 364490, 376936, 471170, 551942, 608440, 728980, 942340, 1103884, 1379855, 1457960, 1884680, 1931797, 2207768, 2759710, 3863594, 5519420, 7727188, 9658985, 11038840, 15454376, 19317970, 38635940, 77271880]

約数ペア:

[(1, 77271880), (2, 38635940), (4, 19317970), (5, 15454376), (7, 11038840), (8, 9658985), (10, 7727188), (14, 5519420), (20, 3863594), (28, 2759710), (35, 2207768), (40, 1931797), (41, 1884680), (53, 1457960), (56, 1379855), (70, 1103884), (82, 942340), (106, 728980), (127, 608440), (140, 551942), (164, 471170), (205, 376936), (212, 364490), (254, 304220), (265, 291592), (280, 275971), (287, 269240), (328, 235585), (371, 208280), (410, 188468), (424, 182245), (508, 152110), (530, 145796), (574, 134620), (635, 121688), (742, 104140), (820, 94234), (889, 86920), (1016, 76055), (1060, 72898), (1148, 67310), (1270, 60844), (1435, 53848), (1484, 52070), (1640, 47117), (1778, 43460), (1855, 41656), (2120, 36449), (2173, 35560), (2296, 33655), (2540, 30422), (2870, 26924), (2968, 26035), (3556, 21730), (3710, 20828), (4346, 17780), (4445, 17384), (5080, 15211), (5207, 14840), (5740, 13462), (6731, 11480), (7112, 10865), (7420, 10414), (8692, 8890)]