2177980812

素因数分解:

$2^2\times 3^7\times 7^2\times {\mathrm{5081}}^1$

素因数の和:5120

約数の個数: 144

約数和(自身を含む): 6650915040

約数和(自身を除く): 4472934228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 486, 567, 588, 729, 756, 882, 972, 1134, 1323, 1458, 1701, 1764, 2187, 2268, 2646, 2916, 3402, 3969, 4374, 5081, 5103, 5292, 6804, 7938, 8748, 10162, 10206, 11907, 15243, 15309, 15876, 20324, 20412, 23814, 30486, 30618, 35567, 35721, 45729, 47628, 60972, 61236, 71134, 71442, 91458, 106701, 107163, 137187, 142268, 142884, 182916, 213402, 214326, 248969, 274374, 320103, 411561, 426804, 428652, 497938, 548748, 640206, 746907, 823122, 960309, 995876, 1234683, 1280412, 1493814, 1646244, 1920618, 2240721, 2469366, 2880927, 2987628, 3704049, 3841236, 4481442, 4938732, 5761854, 6722163, 7408098, 8642781, 8962884, 11112147, 11523708, 13444326, 14816196, 17285562, 20166489, 22224294, 25928343, 26888652, 34571124, 40332978, 44448588, 51856686, 60499467, 77785029, 80665956, 103713372, 120998934, 155570058, 181498401, 241997868, 311140116, 362996802, 544495203, 725993604, 1088990406, 2177980812]

約数ペア:

[(1, 2177980812), (2, 1088990406), (3, 725993604), (4, 544495203), (6, 362996802), (7, 311140116), (9, 241997868), (12, 181498401), (14, 155570058), (18, 120998934), (21, 103713372), (27, 80665956), (28, 77785029), (36, 60499467), (42, 51856686), (49, 44448588), (54, 40332978), (63, 34571124), (81, 26888652), (84, 25928343), (98, 22224294), (108, 20166489), (126, 17285562), (147, 14816196), (162, 13444326), (189, 11523708), (196, 11112147), (243, 8962884), (252, 8642781), (294, 7408098), (324, 6722163), (378, 5761854), (441, 4938732), (486, 4481442), (567, 3841236), (588, 3704049), (729, 2987628), (756, 2880927), (882, 2469366), (972, 2240721), (1134, 1920618), (1323, 1646244), (1458, 1493814), (1701, 1280412), (1764, 1234683), (2187, 995876), (2268, 960309), (2646, 823122), (2916, 746907), (3402, 640206), (3969, 548748), (4374, 497938), (5081, 428652), (5103, 426804), (5292, 411561), (6804, 320103), (7938, 274374), (8748, 248969), (10162, 214326), (10206, 213402), (11907, 182916), (15243, 142884), (15309, 142268), (15876, 137187), (20324, 107163), (20412, 106701), (23814, 91458), (30486, 71442), (30618, 71134), (35567, 61236), (35721, 60972), (45729, 47628)]