181831520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 502951680

約数和(自身を除く): 321120160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 107, 130, 152, 160, 172, 190, 208, 214, 215, 247, 260, 304, 344, 380, 416, 428, 430, 494, 520, 535, 559, 608, 688, 760, 817, 856, 860, 988, 1040, 1070, 1118, 1235, 1376, 1391, 1520, 1634, 1712, 1720, 1976, 2033, 2080, 2140, 2236, 2470, 2782, 2795, 3040, 3268, 3424, 3440, 3952, 4066, 4085, 4280, 4472, 4601, 4940, 5564, 5590, 6536, 6880, 6955, 7904, 8132, 8170, 8560, 8944, 9202, 9880, 10165, 10621, 11128, 11180, 13072, 13910, 16264, 16340, 17120, 17888, 18404, 19760, 20330, 21242, 22256, 22360, 23005, 26144, 26429, 27820, 32528, 32680, 36808, 39520, 40660, 42484, 44512, 44720, 46010, 52858, 53105, 55640, 59813, 65056, 65360, 73616, 81320, 84968, 87419, 89440, 92020, 105716, 106210, 111280, 119626, 130720, 132145, 147232, 162640, 169936, 174838, 184040, 211432, 212420, 222560, 239252, 264290, 299065, 325280, 339872, 349676, 368080, 422864, 424840, 437095, 478504, 528580, 598130, 699352, 736160, 845728, 849680, 874190, 957008, 1057160, 1136447, 1196260, 1398704, 1699360, 1748380, 1914016, 2114320, 2272894, 2392520, 2797408, 3496760, 4228640, 4545788, 4785040, 5682235, 6993520, 9091576, 9570080, 11364470, 13987040, 18183152, 22728940, 36366304, 45457880, 90915760, 181831520]

約数ペア:

[(1, 181831520), (2, 90915760), (4, 45457880), (5, 36366304), (8, 22728940), (10, 18183152), (13, 13987040), (16, 11364470), (19, 9570080), (20, 9091576), (26, 6993520), (32, 5682235), (38, 4785040), (40, 4545788), (43, 4228640), (52, 3496760), (65, 2797408), (76, 2392520), (80, 2272894), (86, 2114320), (95, 1914016), (104, 1748380), (107, 1699360), (130, 1398704), (152, 1196260), (160, 1136447), (172, 1057160), (190, 957008), (208, 874190), (214, 849680), (215, 845728), (247, 736160), (260, 699352), (304, 598130), (344, 528580), (380, 478504), (416, 437095), (428, 424840), (430, 422864), (494, 368080), (520, 349676), (535, 339872), (559, 325280), (608, 299065), (688, 264290), (760, 239252), (817, 222560), (856, 212420), (860, 211432), (988, 184040), (1040, 174838), (1070, 169936), (1118, 162640), (1235, 147232), (1376, 132145), (1391, 130720), (1520, 119626), (1634, 111280), (1712, 106210), (1720, 105716), (1976, 92020), (2033, 89440), (2080, 87419), (2140, 84968), (2236, 81320), (2470, 73616), (2782, 65360), (2795, 65056), (3040, 59813), (3268, 55640), (3424, 53105), (3440, 52858), (3952, 46010), (4066, 44720), (4085, 44512), (4280, 42484), (4472, 40660), (4601, 39520), (4940, 36808), (5564, 32680), (5590, 32528), (6536, 27820), (6880, 26429), (6955, 26144), (7904, 23005), (8132, 22360), (8170, 22256), (8560, 21242), (8944, 20330), (9202, 19760), (9880, 18404), (10165, 17888), (10621, 17120), (11128, 16340), (11180, 16264), (13072, 13910)]