257323080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:764

約数の個数: 256

約数和(自身を含む): 970444800

約数和(自身を除く): 713121720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 56, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 120, 133, 138, 140, 152, 161, 168, 184, 190, 210, 228, 230, 266, 276, 280, 285, 322, 345, 380, 399, 420, 437, 456, 460, 483, 532, 552, 570, 644, 665, 690, 701, 760, 798, 805, 840, 874, 920, 966, 1064, 1140, 1288, 1311, 1330, 1380, 1402, 1596, 1610, 1748, 1932, 1995, 2103, 2185, 2280, 2415, 2622, 2660, 2760, 2804, 3059, 3192, 3220, 3496, 3505, 3864, 3990, 4206, 4370, 4830, 4907, 5244, 5320, 5608, 6118, 6440, 6555, 7010, 7980, 8412, 8740, 9177, 9660, 9814, 10488, 10515, 12236, 13110, 13319, 14020, 14721, 15295, 15960, 16123, 16824, 17480, 18354, 19320, 19628, 21030, 24472, 24535, 26220, 26638, 28040, 29442, 30590, 32246, 36708, 39256, 39957, 42060, 45885, 48369, 49070, 52440, 53276, 58884, 61180, 64492, 66595, 73416, 73605, 79914, 80615, 84120, 91770, 93233, 96738, 98140, 106552, 112861, 117768, 122360, 128984, 133190, 147210, 159828, 161230, 183540, 186466, 193476, 196280, 199785, 225722, 241845, 266380, 279699, 294420, 306337, 319656, 322460, 338583, 367080, 372932, 386952, 399570, 451444, 466165, 483690, 532760, 559398, 564305, 588840, 612674, 644920, 677166, 745864, 799140, 902888, 919011, 932330, 967380, 1118796, 1128610, 1225348, 1354332, 1398495, 1531685, 1598280, 1692915, 1838022, 1864660, 1934760, 2144359, 2237592, 2257220, 2450696, 2708664, 2796990, 3063370, 3385830, 3676044, 3729320, 4288718, 4514440, 4595055, 5593980, 6126740, 6433077, 6771660, 7352088, 8577436, 9190110, 10721795, 11187960, 12253480, 12866154, 13543320, 17154872, 18380220, 21443590, 25732308, 32165385, 36760440, 42887180, 51464616, 64330770, 85774360, 128661540, 257323080]

約数ペア:

[(1, 257323080), (2, 128661540), (3, 85774360), (4, 64330770), (5, 51464616), (6, 42887180), (7, 36760440), (8, 32165385), (10, 25732308), (12, 21443590), (14, 18380220), (15, 17154872), (19, 13543320), (20, 12866154), (21, 12253480), (23, 11187960), (24, 10721795), (28, 9190110), (30, 8577436), (35, 7352088), (38, 6771660), (40, 6433077), (42, 6126740), (46, 5593980), (56, 4595055), (57, 4514440), (60, 4288718), (69, 3729320), (70, 3676044), (76, 3385830), (84, 3063370), (92, 2796990), (95, 2708664), (105, 2450696), (114, 2257220), (115, 2237592), (120, 2144359), (133, 1934760), (138, 1864660), (140, 1838022), (152, 1692915), (161, 1598280), (168, 1531685), (184, 1398495), (190, 1354332), (210, 1225348), (228, 1128610), (230, 1118796), (266, 967380), (276, 932330), (280, 919011), (285, 902888), (322, 799140), (345, 745864), (380, 677166), (399, 644920), (420, 612674), (437, 588840), (456, 564305), (460, 559398), (483, 532760), (532, 483690), (552, 466165), (570, 451444), (644, 399570), (665, 386952), (690, 372932), (701, 367080), (760, 338583), (798, 322460), (805, 319656), (840, 306337), (874, 294420), (920, 279699), (966, 266380), (1064, 241845), (1140, 225722), (1288, 199785), (1311, 196280), (1330, 193476), (1380, 186466), (1402, 183540), (1596, 161230), (1610, 159828), (1748, 147210), (1932, 133190), (1995, 128984), (2103, 122360), (2185, 117768), (2280, 112861), (2415, 106552), (2622, 98140), (2660, 96738), (2760, 93233), (2804, 91770), (3059, 84120), (3192, 80615), (3220, 79914), (3496, 73605), (3505, 73416), (3864, 66595), (3990, 64492), (4206, 61180), (4370, 58884), (4830, 53276), (4907, 52440), (5244, 49070), (5320, 48369), (5608, 45885), (6118, 42060), (6440, 39957), (6555, 39256), (7010, 36708), (7980, 32246), (8412, 30590), (8740, 29442), (9177, 28040), (9660, 26638), (9814, 26220), (10488, 24535), (10515, 24472), (12236, 21030), (13110, 19628), (13319, 19320), (14020, 18354), (14721, 17480), (15295, 16824), (15960, 16123)]