642740112

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 240

約数和(自身を含む): 2160750592

約数和(自身を除く): 1518010480

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 67, 72, 84, 93, 112, 124, 126, 134, 144, 168, 186, 201, 217, 248, 252, 268, 279, 307, 336, 372, 402, 434, 469, 496, 504, 536, 558, 603, 614, 651, 744, 804, 868, 921, 938, 1008, 1072, 1116, 1206, 1228, 1302, 1407, 1488, 1608, 1736, 1842, 1876, 1953, 2077, 2149, 2232, 2412, 2456, 2604, 2763, 2814, 3216, 3472, 3684, 3752, 3906, 4154, 4221, 4298, 4464, 4824, 4912, 5208, 5526, 5628, 6231, 6447, 7368, 7504, 7812, 8308, 8442, 8596, 9517, 9648, 10416, 11052, 11256, 12462, 12894, 14539, 14736, 15624, 16616, 16884, 17192, 18693, 19034, 19341, 20569, 22104, 22512, 24924, 25788, 28551, 29078, 31248, 33232, 33768, 34384, 37386, 38068, 38682, 41138, 43617, 44208, 49848, 51576, 57102, 58156, 61707, 66619, 67536, 74772, 76136, 77364, 82276, 85653, 87234, 99696, 103152, 114204, 116312, 123414, 130851, 133238, 143983, 149544, 152272, 154728, 164552, 171306, 174468, 185121, 199857, 228408, 232624, 246828, 261702, 266476, 287966, 299088, 309456, 329104, 342612, 348936, 370242, 399714, 431949, 456816, 493656, 523404, 532952, 575932, 599571, 637639, 685224, 697872, 740484, 799428, 863898, 987312, 1046808, 1065904, 1151864, 1199142, 1275278, 1295847, 1370448, 1480968, 1598856, 1727796, 1912917, 2093616, 2303728, 2398284, 2550556, 2591694, 2961936, 3197712, 3455592, 3825834, 4463473, 4796568, 5101112, 5183388, 5738751, 6911184, 7651668, 8926946, 9593136, 10202224, 10366776, 11477502, 13390419, 15303336, 17853892, 20733552, 22955004, 26780838, 30606672, 35707784, 40171257, 45910008, 53561676, 71415568, 80342514, 91820016, 107123352, 160685028, 214246704, 321370056, 642740112]

約数ペア:

[(1, 642740112), (2, 321370056), (3, 214246704), (4, 160685028), (6, 107123352), (7, 91820016), (8, 80342514), (9, 71415568), (12, 53561676), (14, 45910008), (16, 40171257), (18, 35707784), (21, 30606672), (24, 26780838), (28, 22955004), (31, 20733552), (36, 17853892), (42, 15303336), (48, 13390419), (56, 11477502), (62, 10366776), (63, 10202224), (67, 9593136), (72, 8926946), (84, 7651668), (93, 6911184), (112, 5738751), (124, 5183388), (126, 5101112), (134, 4796568), (144, 4463473), (168, 3825834), (186, 3455592), (201, 3197712), (217, 2961936), (248, 2591694), (252, 2550556), (268, 2398284), (279, 2303728), (307, 2093616), (336, 1912917), (372, 1727796), (402, 1598856), (434, 1480968), (469, 1370448), (496, 1295847), (504, 1275278), (536, 1199142), (558, 1151864), (603, 1065904), (614, 1046808), (651, 987312), (744, 863898), (804, 799428), (868, 740484), (921, 697872), (938, 685224), (1008, 637639), (1072, 599571), (1116, 575932), (1206, 532952), (1228, 523404), (1302, 493656), (1407, 456816), (1488, 431949), (1608, 399714), (1736, 370242), (1842, 348936), (1876, 342612), (1953, 329104), (2077, 309456), (2149, 299088), (2232, 287966), (2412, 266476), (2456, 261702), (2604, 246828), (2763, 232624), (2814, 228408), (3216, 199857), (3472, 185121), (3684, 174468), (3752, 171306), (3906, 164552), (4154, 154728), (4221, 152272), (4298, 149544), (4464, 143983), (4824, 133238), (4912, 130851), (5208, 123414), (5526, 116312), (5628, 114204), (6231, 103152), (6447, 99696), (7368, 87234), (7504, 85653), (7812, 82276), (8308, 77364), (8442, 76136), (8596, 74772), (9517, 67536), (9648, 66619), (10416, 61707), (11052, 58156), (11256, 57102), (12462, 51576), (12894, 49848), (14539, 44208), (14736, 43617), (15624, 41138), (16616, 38682), (16884, 38068), (17192, 37386), (18693, 34384), (19034, 33768), (19341, 33232), (20569, 31248), (22104, 29078), (22512, 28551), (24924, 25788)]