81567864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:834

約数の個数: 128

約数和(自身を含む): 262848000

約数和(自身を除く): 181280136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 73, 84, 108, 126, 146, 168, 189, 216, 219, 252, 292, 378, 438, 504, 511, 584, 657, 739, 756, 876, 1022, 1314, 1478, 1512, 1533, 1752, 1971, 2044, 2217, 2628, 2956, 3066, 3942, 4088, 4434, 4599, 5173, 5256, 5912, 6132, 6651, 7884, 8868, 9198, 10346, 12264, 13302, 13797, 15519, 15768, 17736, 18396, 19953, 20692, 26604, 27594, 31038, 36792, 39906, 41384, 46557, 53208, 53947, 55188, 62076, 79812, 93114, 107894, 110376, 124152, 139671, 159624, 161841, 186228, 215788, 279342, 323682, 372456, 377629, 431576, 485523, 558684, 647364, 755258, 971046, 1117368, 1132887, 1294728, 1456569, 1510516, 1942092, 2265774, 2913138, 3021032, 3398661, 3884184, 4531548, 5826276, 6797322, 9063096, 10195983, 11652552, 13594644, 20391966, 27189288, 40783932, 81567864]

約数ペア:

[(1, 81567864), (2, 40783932), (3, 27189288), (4, 20391966), (6, 13594644), (7, 11652552), (8, 10195983), (9, 9063096), (12, 6797322), (14, 5826276), (18, 4531548), (21, 3884184), (24, 3398661), (27, 3021032), (28, 2913138), (36, 2265774), (42, 1942092), (54, 1510516), (56, 1456569), (63, 1294728), (72, 1132887), (73, 1117368), (84, 971046), (108, 755258), (126, 647364), (146, 558684), (168, 485523), (189, 431576), (216, 377629), (219, 372456), (252, 323682), (292, 279342), (378, 215788), (438, 186228), (504, 161841), (511, 159624), (584, 139671), (657, 124152), (739, 110376), (756, 107894), (876, 93114), (1022, 79812), (1314, 62076), (1478, 55188), (1512, 53947), (1533, 53208), (1752, 46557), (1971, 41384), (2044, 39906), (2217, 36792), (2628, 31038), (2956, 27594), (3066, 26604), (3942, 20692), (4088, 19953), (4434, 18396), (4599, 17736), (5173, 15768), (5256, 15519), (5912, 13797), (6132, 13302), (6651, 12264), (7884, 10346), (8868, 9198)]