81174080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 223113600

約数和(自身を除く): 141939520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 79, 80, 95, 104, 130, 152, 158, 160, 169, 190, 208, 247, 260, 304, 316, 320, 338, 380, 395, 416, 494, 520, 608, 632, 676, 760, 790, 832, 845, 988, 1027, 1040, 1216, 1235, 1264, 1352, 1501, 1520, 1580, 1690, 1976, 2054, 2080, 2470, 2528, 2704, 3002, 3040, 3160, 3211, 3380, 3952, 4108, 4160, 4940, 5056, 5135, 5408, 6004, 6080, 6320, 6422, 6760, 7505, 7904, 8216, 9880, 10270, 10816, 12008, 12640, 12844, 13351, 13520, 15010, 15808, 16055, 16432, 19513, 19760, 20540, 24016, 25280, 25688, 26702, 27040, 30020, 32110, 32864, 39026, 39520, 41080, 48032, 51376, 53404, 54080, 60040, 64220, 65728, 66755, 78052, 79040, 82160, 96064, 97565, 102752, 106808, 120080, 128440, 133510, 156104, 164320, 195130, 205504, 213616, 240160, 253669, 256880, 267020, 312208, 328640, 390260, 427232, 480320, 507338, 513760, 534040, 624416, 780520, 854464, 1014676, 1027520, 1068080, 1248832, 1268345, 1561040, 2029352, 2136160, 2536690, 3122080, 4058704, 4272320, 5073380, 6244160, 8117408, 10146760, 16234816, 20293520, 40587040, 81174080]

約数ペア:

[(1, 81174080), (2, 40587040), (4, 20293520), (5, 16234816), (8, 10146760), (10, 8117408), (13, 6244160), (16, 5073380), (19, 4272320), (20, 4058704), (26, 3122080), (32, 2536690), (38, 2136160), (40, 2029352), (52, 1561040), (64, 1268345), (65, 1248832), (76, 1068080), (79, 1027520), (80, 1014676), (95, 854464), (104, 780520), (130, 624416), (152, 534040), (158, 513760), (160, 507338), (169, 480320), (190, 427232), (208, 390260), (247, 328640), (260, 312208), (304, 267020), (316, 256880), (320, 253669), (338, 240160), (380, 213616), (395, 205504), (416, 195130), (494, 164320), (520, 156104), (608, 133510), (632, 128440), (676, 120080), (760, 106808), (790, 102752), (832, 97565), (845, 96064), (988, 82160), (1027, 79040), (1040, 78052), (1216, 66755), (1235, 65728), (1264, 64220), (1352, 60040), (1501, 54080), (1520, 53404), (1580, 51376), (1690, 48032), (1976, 41080), (2054, 39520), (2080, 39026), (2470, 32864), (2528, 32110), (2704, 30020), (3002, 27040), (3040, 26702), (3160, 25688), (3211, 25280), (3380, 24016), (3952, 20540), (4108, 19760), (4160, 19513), (4940, 16432), (5056, 16055), (5135, 15808), (5408, 15010), (6004, 13520), (6080, 13351), (6320, 12844), (6422, 12640), (6760, 12008), (7505, 10816), (7904, 10270), (8216, 9880)]