656735040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1991

約数の個数: 280

約数和(自身を含む): 2517114600

約数和(自身を除く): 1860379560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1728, 1755, 1872, 1949, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2880, 3120, 3240, 3510, 3744, 3898, 4160, 4212, 4320, 4680, 5184, 5265, 5616, 5847, 6240, 6480, 7020, 7488, 7796, 8424, 8640, 9360, 9745, 10530, 11232, 11694, 12480, 12960, 14040, 15592, 16848, 17541, 18720, 19490, 21060, 22464, 23388, 25337, 25920, 28080, 29235, 31184, 33696, 35082, 37440, 38980, 42120, 46776, 50674, 52623, 56160, 58470, 62368, 67392, 70164, 76011, 77960, 84240, 87705, 93552, 101348, 105246, 112320, 116940, 124736, 126685, 140328, 152022, 155920, 157869, 168480, 175410, 187104, 202696, 210492, 228033, 233880, 253370, 263115, 280656, 304044, 311840, 315738, 336960, 350820, 374208, 380055, 405392, 420984, 456066, 467760, 506740, 526230, 561312, 608088, 623680, 631476, 684099, 701640, 760110, 789345, 810784, 841968, 912132, 935520, 1013480, 1052460, 1122624, 1140165, 1216176, 1262952, 1368198, 1403280, 1520220, 1578690, 1621568, 1683936, 1824264, 1871040, 2026960, 2052297, 2104920, 2280330, 2432352, 2525904, 2736396, 2806560, 3040440, 3157380, 3367872, 3420495, 3648528, 4053920, 4104594, 4209840, 4560660, 4864704, 5051808, 5472792, 5613120, 6080880, 6314760, 6840990, 7297056, 8107840, 8209188, 8419680, 9121320, 10103616, 10261485, 10945584, 12161760, 12629520, 13681980, 14594112, 16418376, 16839360, 18242640, 20522970, 21891168, 24323520, 25259040, 27363960, 32836752, 36485280, 41045940, 43782336, 50518080, 54727920, 65673504, 72970560, 82091880, 109455840, 131347008, 164183760, 218911680, 328367520, 656735040]

約数ペア:

[(1, 656735040), (2, 328367520), (3, 218911680), (4, 164183760), (5, 131347008), (6, 109455840), (8, 82091880), (9, 72970560), (10, 65673504), (12, 54727920), (13, 50518080), (15, 43782336), (16, 41045940), (18, 36485280), (20, 32836752), (24, 27363960), (26, 25259040), (27, 24323520), (30, 21891168), (32, 20522970), (36, 18242640), (39, 16839360), (40, 16418376), (45, 14594112), (48, 13681980), (52, 12629520), (54, 12161760), (60, 10945584), (64, 10261485), (65, 10103616), (72, 9121320), (78, 8419680), (80, 8209188), (81, 8107840), (90, 7297056), (96, 6840990), (104, 6314760), (108, 6080880), (117, 5613120), (120, 5472792), (130, 5051808), (135, 4864704), (144, 4560660), (156, 4209840), (160, 4104594), (162, 4053920), (180, 3648528), (192, 3420495), (195, 3367872), (208, 3157380), (216, 3040440), (234, 2806560), (240, 2736396), (260, 2525904), (270, 2432352), (288, 2280330), (312, 2104920), (320, 2052297), (324, 2026960), (351, 1871040), (360, 1824264), (390, 1683936), (405, 1621568), (416, 1578690), (432, 1520220), (468, 1403280), (480, 1368198), (520, 1262952), (540, 1216176), (576, 1140165), (585, 1122624), (624, 1052460), (648, 1013480), (702, 935520), (720, 912132), (780, 841968), (810, 810784), (832, 789345), (864, 760110), (936, 701640), (960, 684099), (1040, 631476), (1053, 623680), (1080, 608088), (1170, 561312), (1248, 526230), (1296, 506740), (1404, 467760), (1440, 456066), (1560, 420984), (1620, 405392), (1728, 380055), (1755, 374208), (1872, 350820), (1949, 336960), (2080, 315738), (2106, 311840), (2160, 304044), (2340, 280656), (2496, 263115), (2592, 253370), (2808, 233880), (2880, 228033), (3120, 210492), (3240, 202696), (3510, 187104), (3744, 175410), (3898, 168480), (4160, 157869), (4212, 155920), (4320, 152022), (4680, 140328), (5184, 126685), (5265, 124736), (5616, 116940), (5847, 112320), (6240, 105246), (6480, 101348), (7020, 93552), (7488, 87705), (7796, 84240), (8424, 77960), (8640, 76011), (9360, 70164), (9745, 67392), (10530, 62368), (11232, 58470), (11694, 56160), (12480, 52623), (12960, 50674), (14040, 46776), (15592, 42120), (16848, 38980), (17541, 37440), (18720, 35082), (19490, 33696), (21060, 31184), (22464, 29235), (23388, 28080), (25337, 25920)]