263529760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 713954304

約数和(自身を除く): 450424544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 65, 67, 80, 104, 122, 124, 130, 134, 155, 160, 208, 244, 248, 260, 268, 305, 310, 335, 403, 416, 488, 496, 520, 536, 610, 620, 670, 793, 806, 871, 976, 992, 1040, 1072, 1220, 1240, 1340, 1586, 1612, 1742, 1891, 1952, 2015, 2077, 2080, 2144, 2440, 2480, 2680, 3172, 3224, 3484, 3782, 3965, 4030, 4087, 4154, 4355, 4880, 4960, 5360, 6344, 6448, 6968, 7564, 7930, 8060, 8174, 8308, 8710, 9455, 9760, 10385, 10720, 12688, 12896, 13936, 15128, 15860, 16120, 16348, 16616, 17420, 18910, 20435, 20770, 24583, 25376, 27001, 27872, 30256, 31720, 32240, 32696, 33232, 34840, 37820, 40870, 41540, 49166, 53131, 54002, 60512, 63440, 64480, 65392, 66464, 69680, 75640, 81740, 83080, 98332, 106262, 108004, 122915, 126697, 126880, 130784, 135005, 139360, 151280, 163480, 166160, 196664, 212524, 216008, 245830, 253394, 265655, 270010, 302560, 326960, 332320, 393328, 425048, 432016, 491660, 506788, 531310, 540020, 633485, 653920, 786656, 850096, 864032, 983320, 1013576, 1062620, 1080040, 1266970, 1647061, 1700192, 1966640, 2027152, 2125240, 2160080, 2533940, 3294122, 3933280, 4054304, 4250480, 4320160, 5067880, 6588244, 8235305, 8500960, 10135760, 13176488, 16470610, 20271520, 26352976, 32941220, 52705952, 65882440, 131764880, 263529760]

約数ペア:

[(1, 263529760), (2, 131764880), (4, 65882440), (5, 52705952), (8, 32941220), (10, 26352976), (13, 20271520), (16, 16470610), (20, 13176488), (26, 10135760), (31, 8500960), (32, 8235305), (40, 6588244), (52, 5067880), (61, 4320160), (62, 4250480), (65, 4054304), (67, 3933280), (80, 3294122), (104, 2533940), (122, 2160080), (124, 2125240), (130, 2027152), (134, 1966640), (155, 1700192), (160, 1647061), (208, 1266970), (244, 1080040), (248, 1062620), (260, 1013576), (268, 983320), (305, 864032), (310, 850096), (335, 786656), (403, 653920), (416, 633485), (488, 540020), (496, 531310), (520, 506788), (536, 491660), (610, 432016), (620, 425048), (670, 393328), (793, 332320), (806, 326960), (871, 302560), (976, 270010), (992, 265655), (1040, 253394), (1072, 245830), (1220, 216008), (1240, 212524), (1340, 196664), (1586, 166160), (1612, 163480), (1742, 151280), (1891, 139360), (1952, 135005), (2015, 130784), (2077, 126880), (2080, 126697), (2144, 122915), (2440, 108004), (2480, 106262), (2680, 98332), (3172, 83080), (3224, 81740), (3484, 75640), (3782, 69680), (3965, 66464), (4030, 65392), (4087, 64480), (4154, 63440), (4355, 60512), (4880, 54002), (4960, 53131), (5360, 49166), (6344, 41540), (6448, 40870), (6968, 37820), (7564, 34840), (7930, 33232), (8060, 32696), (8174, 32240), (8308, 31720), (8710, 30256), (9455, 27872), (9760, 27001), (10385, 25376), (10720, 24583), (12688, 20770), (12896, 20435), (13936, 18910), (15128, 17420), (15860, 16616), (16120, 16348)]