81111888

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 240

約数和(自身を含む): 277750080

約数和(自身を除く): 196638192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 99, 101, 104, 108, 117, 132, 143, 144, 156, 169, 176, 198, 202, 208, 216, 234, 264, 286, 297, 303, 312, 338, 351, 396, 404, 429, 432, 468, 507, 528, 572, 594, 606, 624, 676, 702, 792, 808, 858, 909, 936, 1014, 1111, 1144, 1188, 1212, 1287, 1313, 1352, 1404, 1521, 1584, 1616, 1716, 1818, 1859, 1872, 2028, 2222, 2288, 2376, 2424, 2574, 2626, 2704, 2727, 2808, 3042, 3333, 3432, 3636, 3718, 3861, 3939, 4056, 4444, 4563, 4752, 4848, 5148, 5252, 5454, 5577, 5616, 6084, 6666, 6864, 7272, 7436, 7722, 7878, 8112, 8888, 9126, 9999, 10296, 10504, 10908, 11154, 11817, 12168, 13332, 14443, 14544, 14872, 15444, 15756, 16731, 17069, 17776, 18252, 19998, 20592, 21008, 21816, 22308, 23634, 24336, 26664, 28886, 29744, 29997, 30888, 31512, 33462, 34138, 35451, 36504, 39996, 43329, 43632, 44616, 47268, 50193, 51207, 53328, 57772, 59994, 61776, 63024, 66924, 68276, 70902, 73008, 79992, 86658, 89232, 94536, 100386, 102414, 115544, 119988, 129987, 133848, 136552, 141804, 153621, 159984, 173316, 187759, 189072, 200772, 204828, 231088, 239976, 259974, 267696, 273104, 283608, 307242, 346632, 375518, 389961, 401544, 409656, 460863, 479952, 519948, 563277, 567216, 614484, 693264, 751036, 779922, 803088, 819312, 921726, 1039896, 1126554, 1228968, 1502072, 1559844, 1689831, 1843452, 2079792, 2253108, 2457936, 3004144, 3119688, 3379662, 3686904, 4506216, 5069493, 6239376, 6759324, 7373808, 9012432, 10138986, 13518648, 20277972, 27037296, 40555944, 81111888]

約数ペア:

[(1, 81111888), (2, 40555944), (3, 27037296), (4, 20277972), (6, 13518648), (8, 10138986), (9, 9012432), (11, 7373808), (12, 6759324), (13, 6239376), (16, 5069493), (18, 4506216), (22, 3686904), (24, 3379662), (26, 3119688), (27, 3004144), (33, 2457936), (36, 2253108), (39, 2079792), (44, 1843452), (48, 1689831), (52, 1559844), (54, 1502072), (66, 1228968), (72, 1126554), (78, 1039896), (88, 921726), (99, 819312), (101, 803088), (104, 779922), (108, 751036), (117, 693264), (132, 614484), (143, 567216), (144, 563277), (156, 519948), (169, 479952), (176, 460863), (198, 409656), (202, 401544), (208, 389961), (216, 375518), (234, 346632), (264, 307242), (286, 283608), (297, 273104), (303, 267696), (312, 259974), (338, 239976), (351, 231088), (396, 204828), (404, 200772), (429, 189072), (432, 187759), (468, 173316), (507, 159984), (528, 153621), (572, 141804), (594, 136552), (606, 133848), (624, 129987), (676, 119988), (702, 115544), (792, 102414), (808, 100386), (858, 94536), (909, 89232), (936, 86658), (1014, 79992), (1111, 73008), (1144, 70902), (1188, 68276), (1212, 66924), (1287, 63024), (1313, 61776), (1352, 59994), (1404, 57772), (1521, 53328), (1584, 51207), (1616, 50193), (1716, 47268), (1818, 44616), (1859, 43632), (1872, 43329), (2028, 39996), (2222, 36504), (2288, 35451), (2376, 34138), (2424, 33462), (2574, 31512), (2626, 30888), (2704, 29997), (2727, 29744), (2808, 28886), (3042, 26664), (3333, 24336), (3432, 23634), (3636, 22308), (3718, 21816), (3861, 21008), (3939, 20592), (4056, 19998), (4444, 18252), (4563, 17776), (4752, 17069), (4848, 16731), (5148, 15756), (5252, 15444), (5454, 14872), (5577, 14544), (5616, 14443), (6084, 13332), (6666, 12168), (6864, 11817), (7272, 11154), (7436, 10908), (7722, 10504), (7878, 10296), (8112, 9999), (8888, 9126)]