667745680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 1839882240

約数和(自身を除く): 1172136560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 127, 140, 164, 205, 229, 254, 280, 287, 328, 410, 458, 508, 560, 574, 635, 656, 820, 889, 916, 1016, 1145, 1148, 1270, 1435, 1603, 1640, 1778, 1832, 2032, 2290, 2296, 2540, 2870, 3206, 3280, 3556, 3664, 4445, 4580, 4592, 5080, 5207, 5740, 6412, 7112, 8015, 8890, 9160, 9389, 10160, 10414, 11480, 12824, 14224, 16030, 17780, 18320, 18778, 20828, 22960, 25648, 26035, 29083, 32060, 35560, 36449, 37556, 41656, 46945, 52070, 58166, 64120, 65723, 71120, 72898, 75112, 83312, 93890, 104140, 116332, 128240, 131446, 145415, 145796, 150224, 182245, 187780, 203581, 208280, 232664, 262892, 290830, 291592, 328615, 364490, 375560, 407162, 416560, 465328, 525784, 581660, 583184, 657230, 728980, 751120, 814324, 1017905, 1051568, 1163320, 1192403, 1314460, 1457960, 1628648, 2035810, 2326640, 2384806, 2628920, 2915920, 3257296, 4071620, 4769612, 5257840, 5962015, 8143240, 8346821, 9539224, 11924030, 16286480, 16693642, 19078448, 23848060, 33387284, 41734105, 47696120, 66774568, 83468210, 95392240, 133549136, 166936420, 333872840, 667745680]

約数ペア:

[(1, 667745680), (2, 333872840), (4, 166936420), (5, 133549136), (7, 95392240), (8, 83468210), (10, 66774568), (14, 47696120), (16, 41734105), (20, 33387284), (28, 23848060), (35, 19078448), (40, 16693642), (41, 16286480), (56, 11924030), (70, 9539224), (80, 8346821), (82, 8143240), (112, 5962015), (127, 5257840), (140, 4769612), (164, 4071620), (205, 3257296), (229, 2915920), (254, 2628920), (280, 2384806), (287, 2326640), (328, 2035810), (410, 1628648), (458, 1457960), (508, 1314460), (560, 1192403), (574, 1163320), (635, 1051568), (656, 1017905), (820, 814324), (889, 751120), (916, 728980), (1016, 657230), (1145, 583184), (1148, 581660), (1270, 525784), (1435, 465328), (1603, 416560), (1640, 407162), (1778, 375560), (1832, 364490), (2032, 328615), (2290, 291592), (2296, 290830), (2540, 262892), (2870, 232664), (3206, 208280), (3280, 203581), (3556, 187780), (3664, 182245), (4445, 150224), (4580, 145796), (4592, 145415), (5080, 131446), (5207, 128240), (5740, 116332), (6412, 104140), (7112, 93890), (8015, 83312), (8890, 75112), (9160, 72898), (9389, 71120), (10160, 65723), (10414, 64120), (11480, 58166), (12824, 52070), (14224, 46945), (16030, 41656), (17780, 37556), (18320, 36449), (18778, 35560), (20828, 32060), (22960, 29083), (25648, 26035)]