81812712

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 143172888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 41, 47, 58, 61, 82, 87, 94, 116, 122, 123, 141, 164, 174, 183, 188, 232, 244, 246, 282, 328, 348, 366, 376, 488, 492, 564, 696, 732, 984, 1128, 1189, 1363, 1464, 1769, 1927, 2378, 2501, 2726, 2867, 3538, 3567, 3854, 4089, 4756, 5002, 5307, 5452, 5734, 5781, 7076, 7134, 7503, 7708, 8178, 8601, 9512, 10004, 10614, 10904, 11468, 11562, 14152, 14268, 15006, 15416, 16356, 17202, 20008, 21228, 22936, 23124, 28536, 30012, 32712, 34404, 42456, 46248, 55883, 60024, 68808, 72529, 83143, 111766, 117547, 145058, 166286, 167649, 217587, 223532, 235094, 249429, 290116, 332572, 335298, 352641, 435174, 447064, 470188, 498858, 580232, 665144, 670596, 705282, 870348, 940376, 997716, 1341192, 1410564, 1740696, 1995432, 2821128, 3408863, 6817726, 10226589, 13635452, 20453178, 27270904, 40906356, 81812712]

約数ペア:

[(1, 81812712), (2, 40906356), (3, 27270904), (4, 20453178), (6, 13635452), (8, 10226589), (12, 6817726), (24, 3408863), (29, 2821128), (41, 1995432), (47, 1740696), (58, 1410564), (61, 1341192), (82, 997716), (87, 940376), (94, 870348), (116, 705282), (122, 670596), (123, 665144), (141, 580232), (164, 498858), (174, 470188), (183, 447064), (188, 435174), (232, 352641), (244, 335298), (246, 332572), (282, 290116), (328, 249429), (348, 235094), (366, 223532), (376, 217587), (488, 167649), (492, 166286), (564, 145058), (696, 117547), (732, 111766), (984, 83143), (1128, 72529), (1189, 68808), (1363, 60024), (1464, 55883), (1769, 46248), (1927, 42456), (2378, 34404), (2501, 32712), (2726, 30012), (2867, 28536), (3538, 23124), (3567, 22936), (3854, 21228), (4089, 20008), (4756, 17202), (5002, 16356), (5307, 15416), (5452, 15006), (5734, 14268), (5781, 14152), (7076, 11562), (7134, 11468), (7503, 10904), (7708, 10614), (8178, 10004), (8601, 9512)]