81579960

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 384

約数和(自身を含む): 345945600

約数和(自身を除く): 264365640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 84, 88, 90, 99, 105, 108, 109, 110, 120, 126, 132, 135, 140, 154, 162, 165, 168, 180, 189, 198, 210, 216, 218, 220, 231, 243, 252, 264, 270, 280, 297, 308, 315, 324, 327, 330, 360, 378, 385, 396, 405, 420, 436, 440, 462, 486, 495, 504, 540, 545, 567, 594, 616, 630, 648, 654, 660, 693, 756, 763, 770, 792, 810, 840, 872, 891, 924, 945, 972, 981, 990, 1080, 1090, 1134, 1155, 1188, 1199, 1215, 1260, 1308, 1320, 1386, 1485, 1512, 1526, 1540, 1620, 1635, 1701, 1782, 1848, 1890, 1944, 1962, 1980, 2079, 2180, 2268, 2289, 2310, 2376, 2398, 2430, 2520, 2616, 2673, 2772, 2835, 2943, 2970, 3052, 3080, 3240, 3270, 3402, 3465, 3564, 3597, 3780, 3815, 3924, 3960, 4158, 4360, 4455, 4536, 4578, 4620, 4796, 4860, 4905, 5346, 5544, 5670, 5886, 5940, 5995, 6104, 6237, 6540, 6804, 6867, 6930, 7128, 7194, 7560, 7630, 7848, 8316, 8393, 8505, 8829, 8910, 9156, 9240, 9592, 9720, 9810, 10395, 10692, 10791, 11340, 11445, 11772, 11880, 11990, 12474, 13080, 13365, 13608, 13734, 13860, 14388, 14715, 15260, 16632, 16786, 17010, 17658, 17820, 17985, 18312, 18711, 19620, 20601, 20790, 21384, 21582, 22680, 22890, 23544, 23980, 24948, 25179, 26487, 26730, 27468, 27720, 28776, 29430, 30520, 31185, 32373, 33572, 34020, 34335, 35316, 35640, 35970, 37422, 39240, 41202, 41580, 41965, 43164, 44145, 45780, 47960, 49896, 50358, 52974, 53460, 53955, 54936, 58860, 61803, 62370, 64746, 67144, 68040, 68670, 70632, 71940, 74844, 75537, 82404, 83160, 83930, 86328, 88290, 91560, 93555, 97119, 100716, 103005, 105948, 106920, 107910, 117720, 123606, 124740, 125895, 129492, 132435, 137340, 143880, 149688, 151074, 161865, 164808, 167860, 176580, 185409, 187110, 194238, 201432, 206010, 211896, 215820, 226611, 247212, 249480, 251790, 258984, 264870, 274680, 291357, 302148, 309015, 323730, 335720, 353160, 370818, 374220, 377685, 388476, 412020, 431640, 453222, 485595, 494424, 503580, 529740, 582714, 604296, 618030, 647460, 679833, 741636, 748440, 755370, 776952, 824040, 906444, 927045, 971190, 1007160, 1059480, 1133055, 1165428, 1236060, 1294920, 1359666, 1456785, 1483272, 1510740, 1812888, 1854090, 1942380, 2039499, 2266110, 2330856, 2472120, 2719332, 2913570, 3021480, 3399165, 3708180, 3884760, 4078998, 4532220, 5438664, 5827140, 6798330, 7416360, 8157996, 9064440, 10197495, 11654280, 13596660, 16315992, 20394990, 27193320, 40789980, 81579960]

約数ペア:

[(1, 81579960), (2, 40789980), (3, 27193320), (4, 20394990), (5, 16315992), (6, 13596660), (7, 11654280), (8, 10197495), (9, 9064440), (10, 8157996), (11, 7416360), (12, 6798330), (14, 5827140), (15, 5438664), (18, 4532220), (20, 4078998), (21, 3884760), (22, 3708180), (24, 3399165), (27, 3021480), (28, 2913570), (30, 2719332), (33, 2472120), (35, 2330856), (36, 2266110), (40, 2039499), (42, 1942380), (44, 1854090), (45, 1812888), (54, 1510740), (55, 1483272), (56, 1456785), (60, 1359666), (63, 1294920), (66, 1236060), (70, 1165428), (72, 1133055), (77, 1059480), (81, 1007160), (84, 971190), (88, 927045), (90, 906444), (99, 824040), (105, 776952), (108, 755370), (109, 748440), (110, 741636), (120, 679833), (126, 647460), (132, 618030), (135, 604296), (140, 582714), (154, 529740), (162, 503580), (165, 494424), (168, 485595), (180, 453222), (189, 431640), (198, 412020), (210, 388476), (216, 377685), (218, 374220), (220, 370818), (231, 353160), (243, 335720), (252, 323730), (264, 309015), (270, 302148), (280, 291357), (297, 274680), (308, 264870), (315, 258984), (324, 251790), (327, 249480), (330, 247212), (360, 226611), (378, 215820), (385, 211896), (396, 206010), (405, 201432), (420, 194238), (436, 187110), (440, 185409), (462, 176580), (486, 167860), (495, 164808), (504, 161865), (540, 151074), (545, 149688), (567, 143880), (594, 137340), (616, 132435), (630, 129492), (648, 125895), (654, 124740), (660, 123606), (693, 117720), (756, 107910), (763, 106920), (770, 105948), (792, 103005), (810, 100716), (840, 97119), (872, 93555), (891, 91560), (924, 88290), (945, 86328), (972, 83930), (981, 83160), (990, 82404), (1080, 75537), (1090, 74844), (1134, 71940), (1155, 70632), (1188, 68670), (1199, 68040), (1215, 67144), (1260, 64746), (1308, 62370), (1320, 61803), (1386, 58860), (1485, 54936), (1512, 53955), (1526, 53460), (1540, 52974), (1620, 50358), (1635, 49896), (1701, 47960), (1782, 45780), (1848, 44145), (1890, 43164), (1944, 41965), (1962, 41580), (1980, 41202), (2079, 39240), (2180, 37422), (2268, 35970), (2289, 35640), (2310, 35316), (2376, 34335), (2398, 34020), (2430, 33572), (2520, 32373), (2616, 31185), (2673, 30520), (2772, 29430), (2835, 28776), (2943, 27720), (2970, 27468), (3052, 26730), (3080, 26487), (3240, 25179), (3270, 24948), (3402, 23980), (3465, 23544), (3564, 22890), (3597, 22680), (3780, 21582), (3815, 21384), (3924, 20790), (3960, 20601), (4158, 19620), (4360, 18711), (4455, 18312), (4536, 17985), (4578, 17820), (4620, 17658), (4796, 17010), (4860, 16786), (4905, 16632), (5346, 15260), (5544, 14715), (5670, 14388), (5886, 13860), (5940, 13734), (5995, 13608), (6104, 13365), (6237, 13080), (6540, 12474), (6804, 11990), (6867, 11880), (6930, 11772), (7128, 11445), (7194, 11340), (7560, 10791), (7630, 10692), (7848, 10395), (8316, 9810), (8393, 9720), (8505, 9592), (8829, 9240), (8910, 9156)]