1990638216

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3056

約数の個数: 192

約数和(自身を含む): 6510366720

約数和(自身を除く): 4519728504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 43, 56, 62, 63, 72, 84, 86, 93, 124, 126, 129, 168, 172, 186, 217, 248, 252, 258, 279, 301, 344, 372, 387, 434, 504, 516, 558, 602, 651, 744, 774, 868, 903, 1032, 1116, 1204, 1302, 1333, 1548, 1736, 1806, 1953, 2232, 2408, 2604, 2666, 2709, 2963, 3096, 3612, 3906, 3999, 5208, 5332, 5418, 5926, 7224, 7812, 7998, 8889, 9331, 10664, 10836, 11852, 11997, 15624, 15996, 17778, 18662, 20741, 21672, 23704, 23994, 26667, 27993, 31992, 35556, 37324, 41482, 47988, 53334, 55986, 62223, 71112, 74648, 82964, 83979, 91853, 95976, 106668, 111972, 124446, 127409, 165928, 167958, 183706, 186669, 213336, 223944, 248892, 254818, 275559, 335916, 367412, 373338, 382227, 497784, 509636, 551118, 642971, 671832, 734824, 746676, 764454, 826677, 891863, 1019272, 1102236, 1146681, 1285942, 1493352, 1528908, 1653354, 1783726, 1928913, 2204472, 2293362, 2571884, 2675589, 3057816, 3306708, 3567452, 3857826, 3949679, 4586724, 5143768, 5351178, 5786739, 6613416, 7134904, 7715652, 7899358, 8026767, 9173448, 10702356, 11573478, 11849037, 15431304, 15798716, 16053534, 21404712, 23146956, 23698074, 27647753, 31597432, 32107068, 35547111, 46293912, 47396148, 55295506, 64214136, 71094222, 82943259, 94792296, 110591012, 142188444, 165886518, 221182024, 248829777, 284376888, 331773036, 497659554, 663546072, 995319108, 1990638216]

約数ペア:

[(1, 1990638216), (2, 995319108), (3, 663546072), (4, 497659554), (6, 331773036), (7, 284376888), (8, 248829777), (9, 221182024), (12, 165886518), (14, 142188444), (18, 110591012), (21, 94792296), (24, 82943259), (28, 71094222), (31, 64214136), (36, 55295506), (42, 47396148), (43, 46293912), (56, 35547111), (62, 32107068), (63, 31597432), (72, 27647753), (84, 23698074), (86, 23146956), (93, 21404712), (124, 16053534), (126, 15798716), (129, 15431304), (168, 11849037), (172, 11573478), (186, 10702356), (217, 9173448), (248, 8026767), (252, 7899358), (258, 7715652), (279, 7134904), (301, 6613416), (344, 5786739), (372, 5351178), (387, 5143768), (434, 4586724), (504, 3949679), (516, 3857826), (558, 3567452), (602, 3306708), (651, 3057816), (744, 2675589), (774, 2571884), (868, 2293362), (903, 2204472), (1032, 1928913), (1116, 1783726), (1204, 1653354), (1302, 1528908), (1333, 1493352), (1548, 1285942), (1736, 1146681), (1806, 1102236), (1953, 1019272), (2232, 891863), (2408, 826677), (2604, 764454), (2666, 746676), (2709, 734824), (2963, 671832), (3096, 642971), (3612, 551118), (3906, 509636), (3999, 497784), (5208, 382227), (5332, 373338), (5418, 367412), (5926, 335916), (7224, 275559), (7812, 254818), (7998, 248892), (8889, 223944), (9331, 213336), (10664, 186669), (10836, 183706), (11852, 167958), (11997, 165928), (15624, 127409), (15996, 124446), (17778, 111972), (18662, 106668), (20741, 95976), (21672, 91853), (23704, 83979), (23994, 82964), (26667, 74648), (27993, 71112), (31992, 62223), (35556, 55986), (37324, 53334), (41482, 47988)]