56478870

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1456

約数の個数: 120

約数和(自身を含む): 176783904

約数和(自身を除く): 120305034

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1423, 1470, 1890, 2205, 2646, 2835, 2846, 3969, 4269, 4410, 5670, 6615, 7115, 7938, 8538, 9961, 12807, 13230, 14230, 19845, 19922, 21345, 25614, 29883, 38421, 39690, 42690, 49805, 59766, 64035, 69727, 76842, 89649, 99610, 115263, 128070, 139454, 149415, 179298, 192105, 209181, 230526, 268947, 298830, 348635, 384210, 418362, 448245, 537894, 576315, 627543, 697270, 806841, 896490, 1045905, 1152630, 1255086, 1344735, 1613682, 1882629, 2091810, 2689470, 3137715, 3765258, 4034205, 5647887, 6275430, 8068410, 9413145, 11295774, 18826290, 28239435, 56478870]

約数ペア:

[(1, 56478870), (2, 28239435), (3, 18826290), (5, 11295774), (6, 9413145), (7, 8068410), (9, 6275430), (10, 5647887), (14, 4034205), (15, 3765258), (18, 3137715), (21, 2689470), (27, 2091810), (30, 1882629), (35, 1613682), (42, 1344735), (45, 1255086), (49, 1152630), (54, 1045905), (63, 896490), (70, 806841), (81, 697270), (90, 627543), (98, 576315), (105, 537894), (126, 448245), (135, 418362), (147, 384210), (162, 348635), (189, 298830), (210, 268947), (245, 230526), (270, 209181), (294, 192105), (315, 179298), (378, 149415), (405, 139454), (441, 128070), (490, 115263), (567, 99610), (630, 89649), (735, 76842), (810, 69727), (882, 64035), (945, 59766), (1134, 49805), (1323, 42690), (1423, 39690), (1470, 38421), (1890, 29883), (2205, 25614), (2646, 21345), (2835, 19922), (2846, 19845), (3969, 14230), (4269, 13230), (4410, 12807), (5670, 9961), (6615, 8538), (7115, 7938)]