31706640

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 126741888

約数和(自身を除く): 95035248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 233, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 466, 486, 504, 540, 560, 567, 630, 648, 699, 720, 756, 810, 840, 932, 945, 972, 1008, 1080, 1134, 1165, 1215, 1260, 1296, 1398, 1512, 1620, 1631, 1680, 1701, 1864, 1890, 1944, 2097, 2160, 2268, 2330, 2430, 2520, 2796, 2835, 3024, 3240, 3262, 3402, 3495, 3728, 3780, 3888, 4194, 4536, 4660, 4860, 4893, 5040, 5592, 5670, 6291, 6480, 6524, 6804, 6990, 7560, 8155, 8388, 8505, 9072, 9320, 9720, 9786, 10485, 11184, 11340, 12582, 13048, 13608, 13980, 14679, 15120, 16310, 16776, 17010, 18640, 18873, 19440, 19572, 20970, 22680, 24465, 25164, 26096, 27216, 27960, 29358, 31455, 32620, 33552, 34020, 37746, 39144, 41940, 44037, 45360, 48930, 50328, 55920, 56619, 58716, 62910, 65240, 68040, 73395, 75492, 78288, 83880, 88074, 94365, 97860, 100656, 113238, 117432, 125820, 130480, 132111, 136080, 146790, 150984, 167760, 176148, 188730, 195720, 220185, 226476, 234864, 251640, 264222, 283095, 293580, 301968, 352296, 377460, 391440, 396333, 440370, 452952, 503280, 528444, 566190, 587160, 660555, 704592, 754920, 792666, 880740, 905904, 1056888, 1132380, 1174320, 1321110, 1509840, 1585332, 1761480, 1981665, 2113776, 2264760, 2642220, 3170664, 3522960, 3963330, 4529520, 5284440, 6341328, 7926660, 10568880, 15853320, 31706640]

約数ペア:

[(1, 31706640), (2, 15853320), (3, 10568880), (4, 7926660), (5, 6341328), (6, 5284440), (7, 4529520), (8, 3963330), (9, 3522960), (10, 3170664), (12, 2642220), (14, 2264760), (15, 2113776), (16, 1981665), (18, 1761480), (20, 1585332), (21, 1509840), (24, 1321110), (27, 1174320), (28, 1132380), (30, 1056888), (35, 905904), (36, 880740), (40, 792666), (42, 754920), (45, 704592), (48, 660555), (54, 587160), (56, 566190), (60, 528444), (63, 503280), (70, 452952), (72, 440370), (80, 396333), (81, 391440), (84, 377460), (90, 352296), (105, 301968), (108, 293580), (112, 283095), (120, 264222), (126, 251640), (135, 234864), (140, 226476), (144, 220185), (162, 195720), (168, 188730), (180, 176148), (189, 167760), (210, 150984), (216, 146790), (233, 136080), (240, 132111), (243, 130480), (252, 125820), (270, 117432), (280, 113238), (315, 100656), (324, 97860), (336, 94365), (360, 88074), (378, 83880), (405, 78288), (420, 75492), (432, 73395), (466, 68040), (486, 65240), (504, 62910), (540, 58716), (560, 56619), (567, 55920), (630, 50328), (648, 48930), (699, 45360), (720, 44037), (756, 41940), (810, 39144), (840, 37746), (932, 34020), (945, 33552), (972, 32620), (1008, 31455), (1080, 29358), (1134, 27960), (1165, 27216), (1215, 26096), (1260, 25164), (1296, 24465), (1398, 22680), (1512, 20970), (1620, 19572), (1631, 19440), (1680, 18873), (1701, 18640), (1864, 17010), (1890, 16776), (1944, 16310), (2097, 15120), (2160, 14679), (2268, 13980), (2330, 13608), (2430, 13048), (2520, 12582), (2796, 11340), (2835, 11184), (3024, 10485), (3240, 9786), (3262, 9720), (3402, 9320), (3495, 9072), (3728, 8505), (3780, 8388), (3888, 8155), (4194, 7560), (4536, 6990), (4660, 6804), (4860, 6524), (4893, 6480), (5040, 6291), (5592, 5670)]