642649968

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:587

約数の個数: 120

約数和(自身を含む): 1838453760

約数和(自身を除く): 1195803792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 239, 263, 284, 426, 478, 526, 568, 639, 717, 789, 852, 956, 1052, 1136, 1278, 1434, 1578, 1704, 1912, 2104, 2151, 2367, 2556, 2868, 3156, 3408, 3824, 4208, 4302, 4734, 5112, 5736, 6312, 8604, 9468, 10224, 11472, 12624, 16969, 17208, 18673, 18936, 33938, 34416, 37346, 37872, 50907, 56019, 62857, 67876, 74692, 101814, 112038, 125714, 135752, 149384, 152721, 168057, 188571, 203628, 224076, 251428, 271504, 298768, 305442, 336114, 377142, 407256, 448152, 502856, 565713, 610884, 672228, 754284, 814512, 896304, 1005712, 1131426, 1221768, 1344456, 1508568, 2262852, 2443536, 2688912, 3017136, 4462847, 4525704, 8925694, 9051408, 13388541, 17851388, 26777082, 35702776, 40165623, 53554164, 71405552, 80331246, 107108328, 160662492, 214216656, 321324984, 642649968]

約数ペア:

[(1, 642649968), (2, 321324984), (3, 214216656), (4, 160662492), (6, 107108328), (8, 80331246), (9, 71405552), (12, 53554164), (16, 40165623), (18, 35702776), (24, 26777082), (36, 17851388), (48, 13388541), (71, 9051408), (72, 8925694), (142, 4525704), (144, 4462847), (213, 3017136), (239, 2688912), (263, 2443536), (284, 2262852), (426, 1508568), (478, 1344456), (526, 1221768), (568, 1131426), (639, 1005712), (717, 896304), (789, 814512), (852, 754284), (956, 672228), (1052, 610884), (1136, 565713), (1278, 502856), (1434, 448152), (1578, 407256), (1704, 377142), (1912, 336114), (2104, 305442), (2151, 298768), (2367, 271504), (2556, 251428), (2868, 224076), (3156, 203628), (3408, 188571), (3824, 168057), (4208, 152721), (4302, 149384), (4734, 135752), (5112, 125714), (5736, 112038), (6312, 101814), (8604, 74692), (9468, 67876), (10224, 62857), (11472, 56019), (12624, 50907), (16969, 37872), (17208, 37346), (18673, 34416), (18936, 33938)]