81191880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 384

約数和(自身を含む): 343699200

約数和(自身を除く): 262507320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 29, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 58, 60, 63, 66, 70, 72, 77, 84, 87, 88, 90, 99, 101, 105, 110, 116, 120, 126, 132, 140, 145, 154, 165, 168, 174, 180, 198, 202, 203, 210, 220, 231, 232, 252, 261, 264, 280, 290, 303, 308, 315, 319, 330, 348, 360, 385, 396, 404, 406, 420, 435, 440, 462, 495, 504, 505, 522, 580, 606, 609, 616, 630, 638, 660, 693, 696, 707, 770, 792, 808, 812, 840, 870, 909, 924, 957, 990, 1010, 1015, 1044, 1111, 1155, 1160, 1212, 1218, 1260, 1276, 1305, 1320, 1386, 1414, 1515, 1540, 1595, 1624, 1740, 1818, 1827, 1848, 1914, 1980, 2020, 2030, 2088, 2121, 2222, 2233, 2310, 2424, 2436, 2520, 2552, 2610, 2772, 2828, 2871, 2929, 3030, 3045, 3080, 3190, 3333, 3465, 3480, 3535, 3636, 3654, 3828, 3960, 4040, 4060, 4242, 4444, 4466, 4545, 4620, 4785, 4872, 5220, 5544, 5555, 5656, 5742, 5858, 6060, 6090, 6363, 6380, 6666, 6699, 6930, 7070, 7272, 7308, 7656, 7777, 8120, 8484, 8787, 8888, 8932, 9090, 9135, 9240, 9570, 9999, 10440, 10605, 11110, 11165, 11484, 11716, 12120, 12180, 12726, 12760, 13332, 13398, 13860, 14140, 14355, 14616, 14645, 15554, 16665, 16968, 17574, 17864, 18180, 18270, 19140, 19998, 20097, 20503, 21210, 22220, 22330, 22968, 23331, 23432, 24360, 25452, 26361, 26664, 26796, 27720, 28280, 28710, 29290, 31108, 31815, 32219, 33330, 33495, 35148, 36360, 36540, 38280, 38885, 39996, 40194, 41006, 42420, 43935, 44440, 44660, 46662, 49995, 50904, 52722, 53592, 57420, 58580, 61509, 62216, 63630, 64438, 66660, 66990, 69993, 70296, 73080, 77770, 79992, 80388, 82012, 84840, 87870, 89320, 93324, 96657, 99990, 100485, 102515, 105444, 114840, 116655, 117160, 123018, 127260, 128876, 131805, 133320, 133980, 139986, 155540, 160776, 161095, 164024, 175740, 184527, 186648, 193314, 199980, 200970, 205030, 210888, 225533, 233310, 246036, 254520, 257752, 263610, 267960, 279972, 289971, 307545, 311080, 322190, 349965, 351480, 369054, 386628, 399960, 401940, 410060, 451066, 466620, 483285, 492072, 527220, 559944, 579942, 615090, 644380, 676599, 699930, 738108, 773256, 803880, 820120, 902132, 922635, 933240, 966570, 1054440, 1127665, 1159884, 1230180, 1288760, 1353198, 1399860, 1449855, 1476216, 1804264, 1845270, 1933140, 2029797, 2255330, 2319768, 2460360, 2706396, 2799720, 2899710, 3382995, 3690540, 3866280, 4059594, 4510660, 5412792, 5799420, 6765990, 7381080, 8119188, 9021320, 10148985, 11598840, 13531980, 16238376, 20297970, 27063960, 40595940, 81191880]

約数ペア:

[(1, 81191880), (2, 40595940), (3, 27063960), (4, 20297970), (5, 16238376), (6, 13531980), (7, 11598840), (8, 10148985), (9, 9021320), (10, 8119188), (11, 7381080), (12, 6765990), (14, 5799420), (15, 5412792), (18, 4510660), (20, 4059594), (21, 3866280), (22, 3690540), (24, 3382995), (28, 2899710), (29, 2799720), (30, 2706396), (33, 2460360), (35, 2319768), (36, 2255330), (40, 2029797), (42, 1933140), (44, 1845270), (45, 1804264), (55, 1476216), (56, 1449855), (58, 1399860), (60, 1353198), (63, 1288760), (66, 1230180), (70, 1159884), (72, 1127665), (77, 1054440), (84, 966570), (87, 933240), (88, 922635), (90, 902132), (99, 820120), (101, 803880), (105, 773256), (110, 738108), (116, 699930), (120, 676599), (126, 644380), (132, 615090), (140, 579942), (145, 559944), (154, 527220), (165, 492072), (168, 483285), (174, 466620), (180, 451066), (198, 410060), (202, 401940), (203, 399960), (210, 386628), (220, 369054), (231, 351480), (232, 349965), (252, 322190), (261, 311080), (264, 307545), (280, 289971), (290, 279972), (303, 267960), (308, 263610), (315, 257752), (319, 254520), (330, 246036), (348, 233310), (360, 225533), (385, 210888), (396, 205030), (404, 200970), (406, 199980), (420, 193314), (435, 186648), (440, 184527), (462, 175740), (495, 164024), (504, 161095), (505, 160776), (522, 155540), (580, 139986), (606, 133980), (609, 133320), (616, 131805), (630, 128876), (638, 127260), (660, 123018), (693, 117160), (696, 116655), (707, 114840), (770, 105444), (792, 102515), (808, 100485), (812, 99990), (840, 96657), (870, 93324), (909, 89320), (924, 87870), (957, 84840), (990, 82012), (1010, 80388), (1015, 79992), (1044, 77770), (1111, 73080), (1155, 70296), (1160, 69993), (1212, 66990), (1218, 66660), (1260, 64438), (1276, 63630), (1305, 62216), (1320, 61509), (1386, 58580), (1414, 57420), (1515, 53592), (1540, 52722), (1595, 50904), (1624, 49995), (1740, 46662), (1818, 44660), (1827, 44440), (1848, 43935), (1914, 42420), (1980, 41006), (2020, 40194), (2030, 39996), (2088, 38885), (2121, 38280), (2222, 36540), (2233, 36360), (2310, 35148), (2424, 33495), (2436, 33330), (2520, 32219), (2552, 31815), (2610, 31108), (2772, 29290), (2828, 28710), (2871, 28280), (2929, 27720), (3030, 26796), (3045, 26664), (3080, 26361), (3190, 25452), (3333, 24360), (3465, 23432), (3480, 23331), (3535, 22968), (3636, 22330), (3654, 22220), (3828, 21210), (3960, 20503), (4040, 20097), (4060, 19998), (4242, 19140), (4444, 18270), (4466, 18180), (4545, 17864), (4620, 17574), (4785, 16968), (4872, 16665), (5220, 15554), (5544, 14645), (5555, 14616), (5656, 14355), (5742, 14140), (5858, 13860), (6060, 13398), (6090, 13332), (6363, 12760), (6380, 12726), (6666, 12180), (6699, 12120), (6930, 11716), (7070, 11484), (7272, 11165), (7308, 11110), (7656, 10605), (7777, 10440), (8120, 9999), (8484, 9570), (8787, 9240), (8888, 9135), (8932, 9090)]