280411320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:594

約数の個数: 192

約数和(自身を含む): 990213120

約数和(自身を除く): 709801800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 103, 105, 120, 140, 147, 168, 196, 206, 210, 245, 280, 294, 309, 392, 412, 420, 463, 490, 515, 588, 618, 721, 735, 824, 840, 926, 980, 1030, 1176, 1236, 1389, 1442, 1470, 1545, 1852, 1960, 2060, 2163, 2315, 2472, 2778, 2884, 2940, 3090, 3241, 3605, 3704, 4120, 4326, 4630, 5047, 5556, 5768, 5880, 6180, 6482, 6945, 7210, 8652, 9260, 9723, 10094, 10815, 11112, 12360, 12964, 13890, 14420, 15141, 16205, 17304, 18520, 19446, 20188, 21630, 22687, 25235, 25928, 27780, 28840, 30282, 32410, 38892, 40376, 43260, 45374, 47689, 48615, 50470, 55560, 60564, 64820, 68061, 75705, 77784, 86520, 90748, 95378, 97230, 100940, 113435, 121128, 129640, 136122, 143067, 151410, 181496, 190756, 194460, 201880, 226870, 238445, 272244, 286134, 302820, 333823, 340305, 381512, 388920, 453740, 476890, 544488, 572268, 605640, 667646, 680610, 715335, 907480, 953780, 1001469, 1144536, 1335292, 1361220, 1430670, 1669115, 1907560, 2002938, 2336761, 2670584, 2722440, 2861340, 3338230, 4005876, 4673522, 5007345, 5722680, 6676460, 7010283, 8011752, 9347044, 10014690, 11683805, 13352920, 14020566, 18694088, 20029380, 23367610, 28041132, 35051415, 40058760, 46735220, 56082264, 70102830, 93470440, 140205660, 280411320]

約数ペア:

[(1, 280411320), (2, 140205660), (3, 93470440), (4, 70102830), (5, 56082264), (6, 46735220), (7, 40058760), (8, 35051415), (10, 28041132), (12, 23367610), (14, 20029380), (15, 18694088), (20, 14020566), (21, 13352920), (24, 11683805), (28, 10014690), (30, 9347044), (35, 8011752), (40, 7010283), (42, 6676460), (49, 5722680), (56, 5007345), (60, 4673522), (70, 4005876), (84, 3338230), (98, 2861340), (103, 2722440), (105, 2670584), (120, 2336761), (140, 2002938), (147, 1907560), (168, 1669115), (196, 1430670), (206, 1361220), (210, 1335292), (245, 1144536), (280, 1001469), (294, 953780), (309, 907480), (392, 715335), (412, 680610), (420, 667646), (463, 605640), (490, 572268), (515, 544488), (588, 476890), (618, 453740), (721, 388920), (735, 381512), (824, 340305), (840, 333823), (926, 302820), (980, 286134), (1030, 272244), (1176, 238445), (1236, 226870), (1389, 201880), (1442, 194460), (1470, 190756), (1545, 181496), (1852, 151410), (1960, 143067), (2060, 136122), (2163, 129640), (2315, 121128), (2472, 113435), (2778, 100940), (2884, 97230), (2940, 95378), (3090, 90748), (3241, 86520), (3605, 77784), (3704, 75705), (4120, 68061), (4326, 64820), (4630, 60564), (5047, 55560), (5556, 50470), (5768, 48615), (5880, 47689), (6180, 45374), (6482, 43260), (6945, 40376), (7210, 38892), (8652, 32410), (9260, 30282), (9723, 28840), (10094, 27780), (10815, 25928), (11112, 25235), (12360, 22687), (12964, 21630), (13890, 20188), (14420, 19446), (15141, 18520), (16205, 17304)]