213231480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 256

約数和(自身を含む): 816168960

約数和(自身を除く): 602937480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 47, 55, 56, 60, 66, 70, 77, 84, 88, 94, 105, 110, 120, 132, 140, 141, 154, 165, 168, 188, 210, 220, 231, 235, 264, 280, 282, 308, 329, 330, 376, 385, 420, 440, 462, 470, 491, 517, 564, 616, 658, 660, 705, 770, 840, 924, 940, 982, 987, 1034, 1128, 1155, 1316, 1320, 1410, 1473, 1540, 1551, 1645, 1848, 1880, 1964, 1974, 2068, 2310, 2455, 2585, 2632, 2820, 2946, 3080, 3102, 3290, 3437, 3619, 3928, 3948, 4136, 4620, 4910, 4935, 5170, 5401, 5640, 5892, 6204, 6580, 6874, 7238, 7365, 7755, 7896, 9240, 9820, 9870, 10311, 10340, 10802, 10857, 11784, 12408, 13160, 13748, 14476, 14730, 15510, 16203, 17185, 18095, 19640, 19740, 20622, 20680, 21604, 21714, 23077, 27005, 27496, 28952, 29460, 31020, 32406, 34370, 36190, 37807, 39480, 41244, 43208, 43428, 46154, 51555, 54010, 54285, 58920, 62040, 64812, 68740, 69231, 72380, 75614, 81015, 82488, 86856, 92308, 103110, 108020, 108570, 113421, 115385, 129624, 137480, 138462, 144760, 151228, 161539, 162030, 184616, 189035, 206220, 216040, 217140, 226842, 230770, 253847, 276924, 302456, 323078, 324060, 346155, 378070, 412440, 434280, 453684, 461540, 484617, 507694, 553848, 567105, 646156, 648120, 692310, 756140, 761541, 807695, 907368, 923080, 969234, 1015388, 1134210, 1269235, 1292312, 1384620, 1512280, 1523082, 1615390, 1776929, 1938468, 2030776, 2268420, 2423085, 2538470, 2769240, 3046164, 3230780, 3553858, 3807705, 3876936, 4536840, 4846170, 5076940, 5330787, 6092328, 6461560, 7107716, 7615410, 8884645, 9692340, 10153880, 10661574, 14215432, 15230820, 17769290, 19384680, 21323148, 26653935, 30461640, 35538580, 42646296, 53307870, 71077160, 106615740, 213231480]

約数ペア:

[(1, 213231480), (2, 106615740), (3, 71077160), (4, 53307870), (5, 42646296), (6, 35538580), (7, 30461640), (8, 26653935), (10, 21323148), (11, 19384680), (12, 17769290), (14, 15230820), (15, 14215432), (20, 10661574), (21, 10153880), (22, 9692340), (24, 8884645), (28, 7615410), (30, 7107716), (33, 6461560), (35, 6092328), (40, 5330787), (42, 5076940), (44, 4846170), (47, 4536840), (55, 3876936), (56, 3807705), (60, 3553858), (66, 3230780), (70, 3046164), (77, 2769240), (84, 2538470), (88, 2423085), (94, 2268420), (105, 2030776), (110, 1938468), (120, 1776929), (132, 1615390), (140, 1523082), (141, 1512280), (154, 1384620), (165, 1292312), (168, 1269235), (188, 1134210), (210, 1015388), (220, 969234), (231, 923080), (235, 907368), (264, 807695), (280, 761541), (282, 756140), (308, 692310), (329, 648120), (330, 646156), (376, 567105), (385, 553848), (420, 507694), (440, 484617), (462, 461540), (470, 453684), (491, 434280), (517, 412440), (564, 378070), (616, 346155), (658, 324060), (660, 323078), (705, 302456), (770, 276924), (840, 253847), (924, 230770), (940, 226842), (982, 217140), (987, 216040), (1034, 206220), (1128, 189035), (1155, 184616), (1316, 162030), (1320, 161539), (1410, 151228), (1473, 144760), (1540, 138462), (1551, 137480), (1645, 129624), (1848, 115385), (1880, 113421), (1964, 108570), (1974, 108020), (2068, 103110), (2310, 92308), (2455, 86856), (2585, 82488), (2632, 81015), (2820, 75614), (2946, 72380), (3080, 69231), (3102, 68740), (3290, 64812), (3437, 62040), (3619, 58920), (3928, 54285), (3948, 54010), (4136, 51555), (4620, 46154), (4910, 43428), (4935, 43208), (5170, 41244), (5401, 39480), (5640, 37807), (5892, 36190), (6204, 34370), (6580, 32406), (6874, 31020), (7238, 29460), (7365, 28952), (7755, 27496), (7896, 27005), (9240, 23077), (9820, 21714), (9870, 21604), (10311, 20680), (10340, 20622), (10802, 19740), (10857, 19640), (11784, 18095), (12408, 17185), (13160, 16203), (13748, 15510), (14476, 14730)]