28202580

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{829}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 101512320

約数和(自身を除く): 73309740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 829, 945, 972, 1134, 1215, 1260, 1620, 1658, 1701, 1890, 2268, 2430, 2487, 2835, 3316, 3402, 3780, 4145, 4860, 4974, 5670, 5803, 6804, 7461, 8290, 8505, 9948, 11340, 11606, 12435, 14922, 16580, 17010, 17409, 22383, 23212, 24870, 29015, 29844, 34020, 34818, 37305, 44766, 49740, 52227, 58030, 67149, 69636, 74610, 87045, 89532, 104454, 111915, 116060, 134298, 149220, 156681, 174090, 201447, 208908, 223830, 261135, 268596, 313362, 335745, 348180, 402894, 447660, 470043, 522270, 626724, 671490, 783405, 805788, 940086, 1007235, 1044540, 1342980, 1410129, 1566810, 1880172, 2014470, 2350215, 2820258, 3133620, 4028940, 4700430, 5640516, 7050645, 9400860, 14101290, 28202580]

約数ペア:

[(1, 28202580), (2, 14101290), (3, 9400860), (4, 7050645), (5, 5640516), (6, 4700430), (7, 4028940), (9, 3133620), (10, 2820258), (12, 2350215), (14, 2014470), (15, 1880172), (18, 1566810), (20, 1410129), (21, 1342980), (27, 1044540), (28, 1007235), (30, 940086), (35, 805788), (36, 783405), (42, 671490), (45, 626724), (54, 522270), (60, 470043), (63, 447660), (70, 402894), (81, 348180), (84, 335745), (90, 313362), (105, 268596), (108, 261135), (126, 223830), (135, 208908), (140, 201447), (162, 174090), (180, 156681), (189, 149220), (210, 134298), (243, 116060), (252, 111915), (270, 104454), (315, 89532), (324, 87045), (378, 74610), (405, 69636), (420, 67149), (486, 58030), (540, 52227), (567, 49740), (630, 44766), (756, 37305), (810, 34818), (829, 34020), (945, 29844), (972, 29015), (1134, 24870), (1215, 23212), (1260, 22383), (1620, 17409), (1658, 17010), (1701, 16580), (1890, 14922), (2268, 12435), (2430, 11606), (2487, 11340), (2835, 9948), (3316, 8505), (3402, 8290), (3780, 7461), (4145, 6804), (4860, 5803), (4974, 5670)]