256198140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 180

約数和(自身を含む): 884085048

約数和(自身を除く): 627886908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 810, 891, 990, 1089, 1188, 1210, 1307, 1452, 1485, 1620, 1782, 1815, 1980, 2178, 2420, 2614, 2970, 3267, 3564, 3630, 3921, 4356, 4455, 5228, 5445, 5940, 6534, 6535, 7260, 7842, 8910, 9801, 10890, 11763, 13068, 13070, 14377, 15684, 16335, 17820, 19602, 19605, 21780, 23526, 26140, 28754, 32670, 35289, 39204, 39210, 43131, 47052, 49005, 57508, 58815, 65340, 70578, 71885, 78420, 86262, 98010, 105867, 117630, 129393, 141156, 143770, 158147, 172524, 176445, 196020, 211734, 215655, 235260, 258786, 287540, 316294, 352890, 388179, 423468, 431310, 474441, 517572, 529335, 632588, 646965, 705780, 776358, 790735, 862620, 948882, 1058670, 1164537, 1293930, 1423323, 1552716, 1581470, 1897764, 1940895, 2117340, 2329074, 2372205, 2587860, 2846646, 3162940, 3881790, 4269969, 4658148, 4744410, 5693292, 5822685, 7116615, 7763580, 8539938, 9488820, 11645370, 12809907, 14233230, 17079876, 21349845, 23290740, 25619814, 28466460, 42699690, 51239628, 64049535, 85399380, 128099070, 256198140]

約数ペア:

[(1, 256198140), (2, 128099070), (3, 85399380), (4, 64049535), (5, 51239628), (6, 42699690), (9, 28466460), (10, 25619814), (11, 23290740), (12, 21349845), (15, 17079876), (18, 14233230), (20, 12809907), (22, 11645370), (27, 9488820), (30, 8539938), (33, 7763580), (36, 7116615), (44, 5822685), (45, 5693292), (54, 4744410), (55, 4658148), (60, 4269969), (66, 3881790), (81, 3162940), (90, 2846646), (99, 2587860), (108, 2372205), (110, 2329074), (121, 2117340), (132, 1940895), (135, 1897764), (162, 1581470), (165, 1552716), (180, 1423323), (198, 1293930), (220, 1164537), (242, 1058670), (270, 948882), (297, 862620), (324, 790735), (330, 776358), (363, 705780), (396, 646965), (405, 632588), (484, 529335), (495, 517572), (540, 474441), (594, 431310), (605, 423468), (660, 388179), (726, 352890), (810, 316294), (891, 287540), (990, 258786), (1089, 235260), (1188, 215655), (1210, 211734), (1307, 196020), (1452, 176445), (1485, 172524), (1620, 158147), (1782, 143770), (1815, 141156), (1980, 129393), (2178, 117630), (2420, 105867), (2614, 98010), (2970, 86262), (3267, 78420), (3564, 71885), (3630, 70578), (3921, 65340), (4356, 58815), (4455, 57508), (5228, 49005), (5445, 47052), (5940, 43131), (6534, 39210), (6535, 39204), (7260, 35289), (7842, 32670), (8910, 28754), (9801, 26140), (10890, 23526), (11763, 21780), (13068, 19605), (13070, 19602), (14377, 17820), (15684, 16335)]