81681912

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1578

約数の個数: 128

約数和(自身を含む): 257376000

約数和(自身を除く): 175694088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 152, 156, 171, 216, 228, 234, 247, 312, 342, 351, 456, 468, 494, 513, 684, 702, 741, 936, 988, 1026, 1368, 1404, 1482, 1531, 1976, 2052, 2223, 2808, 2964, 3062, 4104, 4446, 4593, 5928, 6124, 6669, 8892, 9186, 12248, 13338, 13779, 17784, 18372, 19903, 26676, 27558, 29089, 36744, 39806, 41337, 53352, 55116, 58178, 59709, 79612, 82674, 87267, 110232, 116356, 119418, 159224, 165348, 174534, 179127, 232712, 238836, 261801, 330696, 349068, 358254, 378157, 477672, 523602, 537381, 698136, 716508, 756314, 785403, 1047204, 1074762, 1134471, 1433016, 1512628, 1570806, 2094408, 2149524, 2268942, 3025256, 3141612, 3403413, 4299048, 4537884, 6283224, 6806826, 9075768, 10210239, 13613652, 20420478, 27227304, 40840956, 81681912]

約数ペア:

[(1, 81681912), (2, 40840956), (3, 27227304), (4, 20420478), (6, 13613652), (8, 10210239), (9, 9075768), (12, 6806826), (13, 6283224), (18, 4537884), (19, 4299048), (24, 3403413), (26, 3141612), (27, 3025256), (36, 2268942), (38, 2149524), (39, 2094408), (52, 1570806), (54, 1512628), (57, 1433016), (72, 1134471), (76, 1074762), (78, 1047204), (104, 785403), (108, 756314), (114, 716508), (117, 698136), (152, 537381), (156, 523602), (171, 477672), (216, 378157), (228, 358254), (234, 349068), (247, 330696), (312, 261801), (342, 238836), (351, 232712), (456, 179127), (468, 174534), (494, 165348), (513, 159224), (684, 119418), (702, 116356), (741, 110232), (936, 87267), (988, 82674), (1026, 79612), (1368, 59709), (1404, 58178), (1482, 55116), (1531, 53352), (1976, 41337), (2052, 39806), (2223, 36744), (2808, 29089), (2964, 27558), (3062, 26676), (4104, 19903), (4446, 18372), (4593, 17784), (5928, 13779), (6124, 13338), (6669, 12248), (8892, 9186)]