81588888

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 241904520

約数和(自身を除く): 160315632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 73, 76, 86, 114, 129, 146, 152, 171, 172, 219, 228, 258, 292, 342, 344, 361, 387, 438, 456, 516, 584, 657, 684, 722, 774, 817, 876, 1032, 1083, 1314, 1368, 1387, 1444, 1548, 1634, 1752, 2166, 2451, 2628, 2774, 2888, 3096, 3139, 3249, 3268, 4161, 4332, 4902, 5256, 5548, 6278, 6498, 6536, 7353, 8322, 8664, 9417, 9804, 11096, 12483, 12556, 12996, 14706, 15523, 16644, 18834, 19608, 24966, 25112, 25992, 26353, 28251, 29412, 31046, 33288, 37668, 46569, 49932, 52706, 56502, 58824, 59641, 62092, 75336, 79059, 93138, 99864, 105412, 113004, 119282, 124184, 139707, 158118, 178923, 186276, 210824, 226008, 237177, 238564, 279414, 316236, 357846, 372552, 474354, 477128, 536769, 558828, 632472, 715692, 948708, 1073538, 1117656, 1133179, 1431384, 1897416, 2147076, 2266358, 3399537, 4294152, 4532716, 6799074, 9065432, 10198611, 13598148, 20397222, 27196296, 40794444, 81588888]

約数ペア:

[(1, 81588888), (2, 40794444), (3, 27196296), (4, 20397222), (6, 13598148), (8, 10198611), (9, 9065432), (12, 6799074), (18, 4532716), (19, 4294152), (24, 3399537), (36, 2266358), (38, 2147076), (43, 1897416), (57, 1431384), (72, 1133179), (73, 1117656), (76, 1073538), (86, 948708), (114, 715692), (129, 632472), (146, 558828), (152, 536769), (171, 477128), (172, 474354), (219, 372552), (228, 357846), (258, 316236), (292, 279414), (342, 238564), (344, 237177), (361, 226008), (387, 210824), (438, 186276), (456, 178923), (516, 158118), (584, 139707), (657, 124184), (684, 119282), (722, 113004), (774, 105412), (817, 99864), (876, 93138), (1032, 79059), (1083, 75336), (1314, 62092), (1368, 59641), (1387, 58824), (1444, 56502), (1548, 52706), (1634, 49932), (1752, 46569), (2166, 37668), (2451, 33288), (2628, 31046), (2774, 29412), (2888, 28251), (3096, 26353), (3139, 25992), (3249, 25112), (3268, 24966), (4161, 19608), (4332, 18834), (4902, 16644), (5256, 15523), (5548, 14706), (6278, 12996), (6498, 12556), (6536, 12483), (7353, 11096), (8322, 9804), (8664, 9417)]