639262368

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{10723}}^1$

素因数の和:10768

約数の個数: 120

約数和(自身を含む): 1961977248

約数和(自身を除く): 1322714880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 4968, 6624, 7452, 9936, 10723, 14904, 19872, 21446, 29808, 32169, 42892, 59616, 64338, 85784, 96507, 128676, 171568, 193014, 246629, 257352, 289521, 343136, 386028, 493258, 514704, 579042, 739887, 772056, 868563, 986516, 1029408, 1158084, 1479774, 1544112, 1737126, 1973032, 2219661, 2316168, 2959548, 3088224, 3474252, 3946064, 4439322, 4632336, 5919096, 6658983, 6948504, 7892128, 8878644, 9264672, 11838192, 13317966, 13897008, 17757288, 19976949, 23676384, 26635932, 27794016, 35514576, 39953898, 53271864, 71029152, 79907796, 106543728, 159815592, 213087456, 319631184, 639262368]

約数ペア:

[(1, 639262368), (2, 319631184), (3, 213087456), (4, 159815592), (6, 106543728), (8, 79907796), (9, 71029152), (12, 53271864), (16, 39953898), (18, 35514576), (23, 27794016), (24, 26635932), (27, 23676384), (32, 19976949), (36, 17757288), (46, 13897008), (48, 13317966), (54, 11838192), (69, 9264672), (72, 8878644), (81, 7892128), (92, 6948504), (96, 6658983), (108, 5919096), (138, 4632336), (144, 4439322), (162, 3946064), (184, 3474252), (207, 3088224), (216, 2959548), (276, 2316168), (288, 2219661), (324, 1973032), (368, 1737126), (414, 1544112), (432, 1479774), (552, 1158084), (621, 1029408), (648, 986516), (736, 868563), (828, 772056), (864, 739887), (1104, 579042), (1242, 514704), (1296, 493258), (1656, 386028), (1863, 343136), (2208, 289521), (2484, 257352), (2592, 246629), (3312, 193014), (3726, 171568), (4968, 128676), (6624, 96507), (7452, 85784), (9936, 64338), (10723, 59616), (14904, 42892), (19872, 32169), (21446, 29808)]