688116240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{136531}}^1$

素因数の和:136557

約数の個数: 120

約数和(自身を含む): 2641075008

約数和(自身を除く): 1952958768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 136531, 273062, 409593, 546124, 682655, 819186, 955717, 1092248, 1228779, 1365310, 1638372, 1911434, 2047965, 2184496, 2457558, 2730620, 2867151, 3276744, 3822868, 4095930, 4778585, 4915116, 5461240, 5734302, 6143895, 6553488, 7645736, 8191860, 8601453, 9557170, 9830232, 10922480, 11468604, 12287790, 14335755, 15291472, 16383720, 17202906, 19114340, 19660464, 22937208, 24575580, 28671510, 32767440, 34405812, 38228680, 43007265, 45874416, 49151160, 57343020, 68811624, 76457360, 86014530, 98302320, 114686040, 137623248, 172029060, 229372080, 344058120, 688116240]

約数ペア:

[(1, 688116240), (2, 344058120), (3, 229372080), (4, 172029060), (5, 137623248), (6, 114686040), (7, 98302320), (8, 86014530), (9, 76457360), (10, 68811624), (12, 57343020), (14, 49151160), (15, 45874416), (16, 43007265), (18, 38228680), (20, 34405812), (21, 32767440), (24, 28671510), (28, 24575580), (30, 22937208), (35, 19660464), (36, 19114340), (40, 17202906), (42, 16383720), (45, 15291472), (48, 14335755), (56, 12287790), (60, 11468604), (63, 10922480), (70, 9830232), (72, 9557170), (80, 8601453), (84, 8191860), (90, 7645736), (105, 6553488), (112, 6143895), (120, 5734302), (126, 5461240), (140, 4915116), (144, 4778585), (168, 4095930), (180, 3822868), (210, 3276744), (240, 2867151), (252, 2730620), (280, 2457558), (315, 2184496), (336, 2047965), (360, 1911434), (420, 1638372), (504, 1365310), (560, 1228779), (630, 1092248), (720, 955717), (840, 819186), (1008, 682655), (1260, 546124), (1680, 409593), (2520, 273062), (5040, 136531)]