399996960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 1418933376

約数和(自身を除く): 1018936416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 96, 97, 110, 120, 121, 132, 142, 160, 165, 176, 194, 213, 220, 240, 242, 264, 284, 291, 330, 352, 355, 363, 388, 426, 440, 480, 484, 485, 528, 568, 582, 605, 660, 710, 726, 776, 781, 852, 880, 968, 970, 1056, 1065, 1067, 1136, 1164, 1210, 1320, 1420, 1452, 1455, 1552, 1562, 1704, 1760, 1815, 1936, 1940, 2130, 2134, 2272, 2328, 2343, 2420, 2640, 2840, 2904, 2910, 3104, 3124, 3201, 3408, 3630, 3872, 3880, 3905, 4260, 4268, 4656, 4686, 4840, 5280, 5335, 5680, 5808, 5820, 6248, 6402, 6816, 6887, 7260, 7760, 7810, 8520, 8536, 8591, 9312, 9372, 9680, 10670, 11360, 11616, 11640, 11715, 11737, 12496, 12804, 13774, 14520, 15520, 15620, 16005, 17040, 17072, 17182, 18744, 19360, 20661, 21340, 23280, 23430, 23474, 24992, 25608, 25773, 27548, 29040, 31240, 32010, 34080, 34144, 34364, 34435, 35211, 37488, 41322, 42680, 42955, 46560, 46860, 46948, 51216, 51546, 55096, 58080, 58685, 62480, 64020, 68728, 68870, 70422, 74976, 75757, 82644, 85360, 85910, 93720, 93896, 102432, 103092, 103305, 110192, 117370, 124960, 128040, 128865, 137456, 137740, 140844, 151514, 165288, 170720, 171820, 176055, 187440, 187792, 206184, 206610, 220384, 227271, 234740, 256080, 257730, 274912, 275480, 281688, 303028, 330576, 343640, 352110, 374880, 375584, 378785, 412368, 413220, 454542, 469480, 512160, 515460, 550960, 563376, 606056, 661152, 687280, 704220, 757570, 824736, 826440, 833327, 909084, 938960, 1030920, 1101920, 1126752, 1136355, 1212112, 1374560, 1408440, 1515140, 1652880, 1666654, 1818168, 1877920, 2061840, 2272710, 2424224, 2499981, 2816880, 3030280, 3305760, 3333308, 3636336, 4123680, 4166635, 4545420, 4999962, 5633760, 6060560, 6666616, 7272672, 8333270, 9090840, 9999924, 12121120, 12499905, 13333232, 16666540, 18181680, 19999848, 24999810, 26666464, 33333080, 36363360, 39999696, 49999620, 66666160, 79999392, 99999240, 133332320, 199998480, 399996960]

約数ペア:

[(1, 399996960), (2, 199998480), (3, 133332320), (4, 99999240), (5, 79999392), (6, 66666160), (8, 49999620), (10, 39999696), (11, 36363360), (12, 33333080), (15, 26666464), (16, 24999810), (20, 19999848), (22, 18181680), (24, 16666540), (30, 13333232), (32, 12499905), (33, 12121120), (40, 9999924), (44, 9090840), (48, 8333270), (55, 7272672), (60, 6666616), (66, 6060560), (71, 5633760), (80, 4999962), (88, 4545420), (96, 4166635), (97, 4123680), (110, 3636336), (120, 3333308), (121, 3305760), (132, 3030280), (142, 2816880), (160, 2499981), (165, 2424224), (176, 2272710), (194, 2061840), (213, 1877920), (220, 1818168), (240, 1666654), (242, 1652880), (264, 1515140), (284, 1408440), (291, 1374560), (330, 1212112), (352, 1136355), (355, 1126752), (363, 1101920), (388, 1030920), (426, 938960), (440, 909084), (480, 833327), (484, 826440), (485, 824736), (528, 757570), (568, 704220), (582, 687280), (605, 661152), (660, 606056), (710, 563376), (726, 550960), (776, 515460), (781, 512160), (852, 469480), (880, 454542), (968, 413220), (970, 412368), (1056, 378785), (1065, 375584), (1067, 374880), (1136, 352110), (1164, 343640), (1210, 330576), (1320, 303028), (1420, 281688), (1452, 275480), (1455, 274912), (1552, 257730), (1562, 256080), (1704, 234740), (1760, 227271), (1815, 220384), (1936, 206610), (1940, 206184), (2130, 187792), (2134, 187440), (2272, 176055), (2328, 171820), (2343, 170720), (2420, 165288), (2640, 151514), (2840, 140844), (2904, 137740), (2910, 137456), (3104, 128865), (3124, 128040), (3201, 124960), (3408, 117370), (3630, 110192), (3872, 103305), (3880, 103092), (3905, 102432), (4260, 93896), (4268, 93720), (4656, 85910), (4686, 85360), (4840, 82644), (5280, 75757), (5335, 74976), (5680, 70422), (5808, 68870), (5820, 68728), (6248, 64020), (6402, 62480), (6816, 58685), (6887, 58080), (7260, 55096), (7760, 51546), (7810, 51216), (8520, 46948), (8536, 46860), (8591, 46560), (9312, 42955), (9372, 42680), (9680, 41322), (10670, 37488), (11360, 35211), (11616, 34435), (11640, 34364), (11715, 34144), (11737, 34080), (12496, 32010), (12804, 31240), (13774, 29040), (14520, 27548), (15520, 25773), (15620, 25608), (16005, 24992), (17040, 23474), (17072, 23430), (17182, 23280), (18744, 21340), (19360, 20661)]