128621790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 392232960

約数和(自身を除く): 263611170

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 121, 127, 135, 155, 165, 186, 198, 242, 254, 270, 279, 297, 310, 330, 341, 363, 381, 465, 495, 558, 594, 605, 635, 682, 726, 762, 837, 930, 990, 1023, 1089, 1143, 1210, 1270, 1395, 1397, 1485, 1674, 1705, 1815, 1905, 2046, 2178, 2286, 2790, 2794, 2970, 3069, 3267, 3410, 3429, 3630, 3751, 3810, 3937, 4185, 4191, 5115, 5445, 5715, 6138, 6534, 6858, 6985, 7502, 7874, 8370, 8382, 9207, 10230, 10890, 11253, 11430, 11811, 12573, 13970, 15345, 15367, 16335, 17145, 18414, 18755, 19685, 20955, 22506, 23622, 25146, 30690, 30734, 32670, 33759, 34290, 35433, 37510, 37719, 39370, 41910, 43307, 46035, 46101, 56265, 59055, 62865, 67518, 70866, 75438, 76835, 86614, 92070, 92202, 101277, 106299, 112530, 118110, 125730, 129921, 138303, 153670, 168795, 177165, 188595, 202554, 212598, 216535, 230505, 259842, 276606, 337590, 354330, 377190, 389763, 414909, 433070, 461010, 476377, 506385, 531495, 649605, 691515, 779526, 829818, 952754, 1012770, 1062990, 1169289, 1299210, 1383030, 1429131, 1948815, 2074545, 2338578, 2381885, 2858262, 3897630, 4149090, 4287393, 4763770, 5846445, 7145655, 8574786, 11692890, 12862179, 14291310, 21436965, 25724358, 42873930, 64310895, 128621790]

約数ペア:

[(1, 128621790), (2, 64310895), (3, 42873930), (5, 25724358), (6, 21436965), (9, 14291310), (10, 12862179), (11, 11692890), (15, 8574786), (18, 7145655), (22, 5846445), (27, 4763770), (30, 4287393), (31, 4149090), (33, 3897630), (45, 2858262), (54, 2381885), (55, 2338578), (62, 2074545), (66, 1948815), (90, 1429131), (93, 1383030), (99, 1299210), (110, 1169289), (121, 1062990), (127, 1012770), (135, 952754), (155, 829818), (165, 779526), (186, 691515), (198, 649605), (242, 531495), (254, 506385), (270, 476377), (279, 461010), (297, 433070), (310, 414909), (330, 389763), (341, 377190), (363, 354330), (381, 337590), (465, 276606), (495, 259842), (558, 230505), (594, 216535), (605, 212598), (635, 202554), (682, 188595), (726, 177165), (762, 168795), (837, 153670), (930, 138303), (990, 129921), (1023, 125730), (1089, 118110), (1143, 112530), (1210, 106299), (1270, 101277), (1395, 92202), (1397, 92070), (1485, 86614), (1674, 76835), (1705, 75438), (1815, 70866), (1905, 67518), (2046, 62865), (2178, 59055), (2286, 56265), (2790, 46101), (2794, 46035), (2970, 43307), (3069, 41910), (3267, 39370), (3410, 37719), (3429, 37510), (3630, 35433), (3751, 34290), (3810, 33759), (3937, 32670), (4185, 30734), (4191, 30690), (5115, 25146), (5445, 23622), (5715, 22506), (6138, 20955), (6534, 19685), (6858, 18755), (6985, 18414), (7502, 17145), (7874, 16335), (8370, 15367), (8382, 15345), (9207, 13970), (10230, 12573), (10890, 11811), (11253, 11430)]