90807080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 268790400

約数和(自身を除く): 177983320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 101, 104, 130, 133, 140, 152, 169, 182, 190, 202, 247, 260, 266, 280, 338, 364, 380, 404, 455, 494, 505, 520, 532, 665, 676, 707, 728, 760, 808, 845, 910, 988, 1010, 1064, 1183, 1235, 1313, 1330, 1352, 1414, 1690, 1729, 1820, 1919, 1976, 2020, 2366, 2470, 2626, 2660, 2828, 3211, 3380, 3458, 3535, 3640, 3838, 4040, 4732, 4940, 5252, 5320, 5656, 5915, 6422, 6565, 6760, 6916, 7070, 7676, 8645, 9191, 9464, 9595, 9880, 10504, 11830, 12844, 13130, 13433, 13832, 14140, 15352, 16055, 17069, 17290, 18382, 19190, 22477, 23660, 24947, 25688, 26260, 26866, 28280, 32110, 34138, 34580, 36764, 38380, 44954, 45955, 47320, 49894, 52520, 53732, 64220, 67165, 68276, 69160, 73528, 76760, 85345, 89908, 91910, 99788, 107464, 112385, 119483, 124735, 128440, 134330, 136552, 170690, 174629, 179816, 183820, 199576, 224770, 238966, 249470, 268660, 324311, 341380, 349258, 367640, 449540, 477932, 498940, 537320, 597415, 648622, 682760, 698516, 873145, 899080, 955864, 997880, 1194830, 1297244, 1397032, 1621555, 1746290, 2270177, 2389660, 2594488, 3243110, 3492580, 4540354, 4779320, 6486220, 6985160, 9080708, 11350885, 12972440, 18161416, 22701770, 45403540, 90807080]

約数ペア:

[(1, 90807080), (2, 45403540), (4, 22701770), (5, 18161416), (7, 12972440), (8, 11350885), (10, 9080708), (13, 6985160), (14, 6486220), (19, 4779320), (20, 4540354), (26, 3492580), (28, 3243110), (35, 2594488), (38, 2389660), (40, 2270177), (52, 1746290), (56, 1621555), (65, 1397032), (70, 1297244), (76, 1194830), (91, 997880), (95, 955864), (101, 899080), (104, 873145), (130, 698516), (133, 682760), (140, 648622), (152, 597415), (169, 537320), (182, 498940), (190, 477932), (202, 449540), (247, 367640), (260, 349258), (266, 341380), (280, 324311), (338, 268660), (364, 249470), (380, 238966), (404, 224770), (455, 199576), (494, 183820), (505, 179816), (520, 174629), (532, 170690), (665, 136552), (676, 134330), (707, 128440), (728, 124735), (760, 119483), (808, 112385), (845, 107464), (910, 99788), (988, 91910), (1010, 89908), (1064, 85345), (1183, 76760), (1235, 73528), (1313, 69160), (1330, 68276), (1352, 67165), (1414, 64220), (1690, 53732), (1729, 52520), (1820, 49894), (1919, 47320), (1976, 45955), (2020, 44954), (2366, 38380), (2470, 36764), (2626, 34580), (2660, 34138), (2828, 32110), (3211, 28280), (3380, 26866), (3458, 26260), (3535, 25688), (3640, 24947), (3838, 23660), (4040, 22477), (4732, 19190), (4940, 18382), (5252, 17290), (5320, 17069), (5656, 16055), (5915, 15352), (6422, 14140), (6565, 13832), (6760, 13433), (6916, 13130), (7070, 12844), (7676, 11830), (8645, 10504), (9191, 9880), (9464, 9595)]