155848140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 544078080

約数和(自身を除く): 388229940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 252, 315, 358, 420, 537, 630, 691, 716, 895, 1074, 1253, 1260, 1382, 1611, 1790, 2073, 2148, 2506, 2685, 2764, 3222, 3455, 3580, 3759, 4146, 4837, 5012, 5370, 6219, 6265, 6444, 6910, 7518, 8055, 8292, 9674, 10365, 10740, 11277, 12438, 12530, 13820, 14511, 15036, 16110, 18795, 19348, 20730, 22554, 24185, 24876, 25060, 29022, 31095, 32220, 37590, 41460, 43533, 45108, 48370, 56385, 58044, 62190, 72555, 75180, 87066, 96740, 112770, 123689, 124380, 145110, 174132, 217665, 225540, 247378, 290220, 371067, 435330, 494756, 618445, 742134, 865823, 870660, 1113201, 1236890, 1484268, 1731646, 1855335, 2226402, 2473780, 2597469, 3463292, 3710670, 4329115, 4452804, 5194938, 5566005, 7421340, 7792407, 8658230, 10389876, 11132010, 12987345, 15584814, 17316460, 22264020, 25974690, 31169628, 38962035, 51949380, 77924070, 155848140]

約数ペア:

[(1, 155848140), (2, 77924070), (3, 51949380), (4, 38962035), (5, 31169628), (6, 25974690), (7, 22264020), (9, 17316460), (10, 15584814), (12, 12987345), (14, 11132010), (15, 10389876), (18, 8658230), (20, 7792407), (21, 7421340), (28, 5566005), (30, 5194938), (35, 4452804), (36, 4329115), (42, 3710670), (45, 3463292), (60, 2597469), (63, 2473780), (70, 2226402), (84, 1855335), (90, 1731646), (105, 1484268), (126, 1236890), (140, 1113201), (179, 870660), (180, 865823), (210, 742134), (252, 618445), (315, 494756), (358, 435330), (420, 371067), (537, 290220), (630, 247378), (691, 225540), (716, 217665), (895, 174132), (1074, 145110), (1253, 124380), (1260, 123689), (1382, 112770), (1611, 96740), (1790, 87066), (2073, 75180), (2148, 72555), (2506, 62190), (2685, 58044), (2764, 56385), (3222, 48370), (3455, 45108), (3580, 43533), (3759, 41460), (4146, 37590), (4837, 32220), (5012, 31095), (5370, 29022), (6219, 25060), (6265, 24876), (6444, 24185), (6910, 22554), (7518, 20730), (8055, 19348), (8292, 18795), (9674, 16110), (10365, 15036), (10740, 14511), (11277, 13820), (12438, 12530)]