31790880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 240

約数和(自身を含む): 122943744

約数和(自身を除く): 91152864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 223, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 446, 480, 495, 528, 540, 594, 648, 660, 669, 720, 792, 810, 864, 880, 891, 892, 990, 1056, 1080, 1115, 1188, 1296, 1320, 1338, 1440, 1485, 1584, 1620, 1760, 1782, 1784, 1980, 2007, 2160, 2230, 2376, 2453, 2592, 2640, 2676, 2970, 3168, 3240, 3345, 3564, 3568, 3960, 4014, 4320, 4455, 4460, 4752, 4906, 5280, 5352, 5940, 6021, 6480, 6690, 7128, 7136, 7359, 7920, 8028, 8910, 8920, 9504, 9812, 10035, 10704, 11880, 12042, 12265, 12960, 13380, 14256, 14718, 15840, 16056, 17820, 17840, 18063, 19624, 20070, 21408, 22077, 23760, 24084, 24530, 26760, 28512, 29436, 30105, 32112, 35640, 35680, 36126, 36795, 39248, 40140, 44154, 47520, 48168, 49060, 53520, 58872, 60210, 64224, 66231, 71280, 72252, 73590, 78496, 80280, 88308, 90315, 96336, 98120, 107040, 110385, 117744, 120420, 132462, 142560, 144504, 147180, 160560, 176616, 180630, 192672, 196240, 198693, 220770, 235488, 240840, 264924, 289008, 294360, 321120, 331155, 353232, 361260, 392480, 397386, 441540, 481680, 529848, 578016, 588720, 662310, 706464, 722520, 794772, 883080, 963360, 993465, 1059696, 1177440, 1324620, 1445040, 1589544, 1766160, 1986930, 2119392, 2649240, 2890080, 3179088, 3532320, 3973860, 5298480, 6358176, 7947720, 10596960, 15895440, 31790880]

約数ペア:

[(1, 31790880), (2, 15895440), (3, 10596960), (4, 7947720), (5, 6358176), (6, 5298480), (8, 3973860), (9, 3532320), (10, 3179088), (11, 2890080), (12, 2649240), (15, 2119392), (16, 1986930), (18, 1766160), (20, 1589544), (22, 1445040), (24, 1324620), (27, 1177440), (30, 1059696), (32, 993465), (33, 963360), (36, 883080), (40, 794772), (44, 722520), (45, 706464), (48, 662310), (54, 588720), (55, 578016), (60, 529848), (66, 481680), (72, 441540), (80, 397386), (81, 392480), (88, 361260), (90, 353232), (96, 331155), (99, 321120), (108, 294360), (110, 289008), (120, 264924), (132, 240840), (135, 235488), (144, 220770), (160, 198693), (162, 196240), (165, 192672), (176, 180630), (180, 176616), (198, 160560), (216, 147180), (220, 144504), (223, 142560), (240, 132462), (264, 120420), (270, 117744), (288, 110385), (297, 107040), (324, 98120), (330, 96336), (352, 90315), (360, 88308), (396, 80280), (405, 78496), (432, 73590), (440, 72252), (446, 71280), (480, 66231), (495, 64224), (528, 60210), (540, 58872), (594, 53520), (648, 49060), (660, 48168), (669, 47520), (720, 44154), (792, 40140), (810, 39248), (864, 36795), (880, 36126), (891, 35680), (892, 35640), (990, 32112), (1056, 30105), (1080, 29436), (1115, 28512), (1188, 26760), (1296, 24530), (1320, 24084), (1338, 23760), (1440, 22077), (1485, 21408), (1584, 20070), (1620, 19624), (1760, 18063), (1782, 17840), (1784, 17820), (1980, 16056), (2007, 15840), (2160, 14718), (2230, 14256), (2376, 13380), (2453, 12960), (2592, 12265), (2640, 12042), (2676, 11880), (2970, 10704), (3168, 10035), (3240, 9812), (3345, 9504), (3564, 8920), (3568, 8910), (3960, 8028), (4014, 7920), (4320, 7359), (4455, 7136), (4460, 7128), (4752, 6690), (4906, 6480), (5280, 6021), (5352, 5940)]