81684648

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 244576800

約数和(自身を除く): 162892152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 29, 36, 38, 57, 58, 71, 72, 76, 87, 114, 116, 142, 152, 171, 174, 213, 228, 232, 261, 284, 342, 348, 426, 456, 522, 551, 568, 639, 684, 696, 841, 852, 1044, 1102, 1278, 1349, 1368, 1653, 1682, 1704, 2059, 2088, 2204, 2523, 2556, 2698, 3306, 3364, 4047, 4118, 4408, 4959, 5046, 5112, 5396, 6177, 6612, 6728, 7569, 8094, 8236, 9918, 10092, 10792, 12141, 12354, 13224, 15138, 15979, 16188, 16472, 18531, 19836, 20184, 24282, 24708, 30276, 31958, 32376, 37062, 39121, 39672, 47937, 48564, 49416, 59711, 60552, 63916, 74124, 78242, 95874, 97128, 117363, 119422, 127832, 143811, 148248, 156484, 179133, 191748, 234726, 238844, 287622, 312968, 352089, 358266, 383496, 469452, 477688, 537399, 575244, 704178, 716532, 938904, 1074798, 1134509, 1150488, 1408356, 1433064, 2149596, 2269018, 2816712, 3403527, 4299192, 4538036, 6807054, 9076072, 10210581, 13614108, 20421162, 27228216, 40842324, 81684648]

約数ペア:

[(1, 81684648), (2, 40842324), (3, 27228216), (4, 20421162), (6, 13614108), (8, 10210581), (9, 9076072), (12, 6807054), (18, 4538036), (19, 4299192), (24, 3403527), (29, 2816712), (36, 2269018), (38, 2149596), (57, 1433064), (58, 1408356), (71, 1150488), (72, 1134509), (76, 1074798), (87, 938904), (114, 716532), (116, 704178), (142, 575244), (152, 537399), (171, 477688), (174, 469452), (213, 383496), (228, 358266), (232, 352089), (261, 312968), (284, 287622), (342, 238844), (348, 234726), (426, 191748), (456, 179133), (522, 156484), (551, 148248), (568, 143811), (639, 127832), (684, 119422), (696, 117363), (841, 97128), (852, 95874), (1044, 78242), (1102, 74124), (1278, 63916), (1349, 60552), (1368, 59711), (1653, 49416), (1682, 48564), (1704, 47937), (2059, 39672), (2088, 39121), (2204, 37062), (2523, 32376), (2556, 31958), (2698, 30276), (3306, 24708), (3364, 24282), (4047, 20184), (4118, 19836), (4408, 18531), (4959, 16472), (5046, 16188), (5112, 15979), (5396, 15138), (6177, 13224), (6612, 12354), (6728, 12141), (7569, 10792), (8094, 10092), (8236, 9918)]