81038880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 360

約数和(自身を含む): 318062052

約数和(自身を除く): 237023172

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 37, 39, 40, 45, 48, 52, 54, 60, 65, 72, 74, 78, 80, 81, 90, 96, 104, 108, 111, 117, 120, 130, 135, 144, 148, 156, 160, 162, 169, 180, 185, 195, 208, 216, 222, 234, 240, 260, 270, 288, 296, 312, 324, 333, 338, 351, 360, 370, 390, 405, 416, 432, 444, 468, 480, 481, 507, 520, 540, 555, 585, 592, 624, 648, 666, 676, 702, 720, 740, 780, 810, 845, 864, 888, 936, 962, 999, 1014, 1040, 1053, 1080, 1110, 1170, 1184, 1248, 1296, 1332, 1352, 1404, 1440, 1443, 1480, 1521, 1560, 1620, 1665, 1690, 1755, 1776, 1872, 1924, 1998, 2028, 2080, 2106, 2160, 2220, 2340, 2405, 2535, 2592, 2664, 2704, 2808, 2886, 2960, 2997, 3042, 3120, 3240, 3330, 3380, 3510, 3552, 3744, 3848, 3996, 4056, 4212, 4320, 4329, 4440, 4563, 4680, 4810, 4995, 5070, 5265, 5328, 5408, 5616, 5772, 5920, 5994, 6084, 6240, 6253, 6480, 6660, 6760, 7020, 7215, 7605, 7696, 7992, 8112, 8424, 8658, 8880, 9126, 9360, 9620, 9990, 10140, 10530, 10656, 11232, 11544, 11988, 12168, 12506, 12960, 12987, 13320, 13520, 13689, 14040, 14430, 14985, 15210, 15392, 15984, 16224, 16848, 17316, 17760, 18252, 18720, 18759, 19240, 19980, 20280, 21060, 21645, 22815, 23088, 23976, 24336, 25012, 25974, 26640, 27040, 27378, 28080, 28860, 29970, 30420, 31265, 31968, 33696, 34632, 36504, 37518, 38480, 38961, 39960, 40560, 42120, 43290, 45630, 46176, 47952, 48672, 50024, 51948, 53280, 54756, 56160, 56277, 57720, 59940, 60840, 62530, 64935, 68445, 69264, 73008, 75036, 76960, 77922, 79920, 81120, 84240, 86580, 91260, 93795, 95904, 100048, 103896, 109512, 112554, 115440, 119880, 121680, 125060, 129870, 136890, 138528, 146016, 150072, 155844, 159840, 168480, 168831, 173160, 182520, 187590, 194805, 200096, 207792, 219024, 225108, 230880, 239760, 243360, 250120, 259740, 273780, 281385, 300144, 311688, 337662, 346320, 365040, 375180, 389610, 415584, 438048, 450216, 479520, 500240, 506493, 519480, 547560, 562770, 600288, 623376, 675324, 692640, 730080, 750360, 779220, 844155, 900432, 1000480, 1012986, 1038960, 1095120, 1125540, 1246752, 1350648, 1500720, 1558440, 1688310, 1800864, 2025972, 2077920, 2190240, 2251080, 2532465, 2701296, 3001440, 3116880, 3376620, 4051944, 4502160, 5064930, 5402592, 6233760, 6753240, 8103888, 9004320, 10129860, 13506480, 16207776, 20259720, 27012960, 40519440, 81038880]

約数ペア:

[(1, 81038880), (2, 40519440), (3, 27012960), (4, 20259720), (5, 16207776), (6, 13506480), (8, 10129860), (9, 9004320), (10, 8103888), (12, 6753240), (13, 6233760), (15, 5402592), (16, 5064930), (18, 4502160), (20, 4051944), (24, 3376620), (26, 3116880), (27, 3001440), (30, 2701296), (32, 2532465), (36, 2251080), (37, 2190240), (39, 2077920), (40, 2025972), (45, 1800864), (48, 1688310), (52, 1558440), (54, 1500720), (60, 1350648), (65, 1246752), (72, 1125540), (74, 1095120), (78, 1038960), (80, 1012986), (81, 1000480), (90, 900432), (96, 844155), (104, 779220), (108, 750360), (111, 730080), (117, 692640), (120, 675324), (130, 623376), (135, 600288), (144, 562770), (148, 547560), (156, 519480), (160, 506493), (162, 500240), (169, 479520), (180, 450216), (185, 438048), (195, 415584), (208, 389610), (216, 375180), (222, 365040), (234, 346320), (240, 337662), (260, 311688), (270, 300144), (288, 281385), (296, 273780), (312, 259740), (324, 250120), (333, 243360), (338, 239760), (351, 230880), (360, 225108), (370, 219024), (390, 207792), (405, 200096), (416, 194805), (432, 187590), (444, 182520), (468, 173160), (480, 168831), (481, 168480), (507, 159840), (520, 155844), (540, 150072), (555, 146016), (585, 138528), (592, 136890), (624, 129870), (648, 125060), (666, 121680), (676, 119880), (702, 115440), (720, 112554), (740, 109512), (780, 103896), (810, 100048), (845, 95904), (864, 93795), (888, 91260), (936, 86580), (962, 84240), (999, 81120), (1014, 79920), (1040, 77922), (1053, 76960), (1080, 75036), (1110, 73008), (1170, 69264), (1184, 68445), (1248, 64935), (1296, 62530), (1332, 60840), (1352, 59940), (1404, 57720), (1440, 56277), (1443, 56160), (1480, 54756), (1521, 53280), (1560, 51948), (1620, 50024), (1665, 48672), (1690, 47952), (1755, 46176), (1776, 45630), (1872, 43290), (1924, 42120), (1998, 40560), (2028, 39960), (2080, 38961), (2106, 38480), (2160, 37518), (2220, 36504), (2340, 34632), (2405, 33696), (2535, 31968), (2592, 31265), (2664, 30420), (2704, 29970), (2808, 28860), (2886, 28080), (2960, 27378), (2997, 27040), (3042, 26640), (3120, 25974), (3240, 25012), (3330, 24336), (3380, 23976), (3510, 23088), (3552, 22815), (3744, 21645), (3848, 21060), (3996, 20280), (4056, 19980), (4212, 19240), (4320, 18759), (4329, 18720), (4440, 18252), (4563, 17760), (4680, 17316), (4810, 16848), (4995, 16224), (5070, 15984), (5265, 15392), (5328, 15210), (5408, 14985), (5616, 14430), (5772, 14040), (5920, 13689), (5994, 13520), (6084, 13320), (6240, 12987), (6253, 12960), (6480, 12506), (6660, 12168), (6760, 11988), (7020, 11544), (7215, 11232), (7605, 10656), (7696, 10530), (7992, 10140), (8112, 9990), (8424, 9620), (8658, 9360), (8880, 9126)]