72721440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4591}}^1$

素因数の和:4623

約数の個数: 144

約数和(自身を含む): 270781056

約数和(自身を除く): 198059616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4591, 5280, 7920, 9182, 13773, 15840, 18364, 22955, 27546, 36728, 41319, 45910, 50501, 55092, 68865, 73456, 82638, 91820, 101002, 110184, 137730, 146912, 151503, 165276, 183640, 202004, 206595, 220368, 252505, 275460, 303006, 330552, 367280, 404008, 413190, 440736, 454509, 505010, 550920, 606012, 661104, 734560, 757515, 808016, 826380, 909018, 1010020, 1101840, 1212024, 1322208, 1515030, 1616032, 1652760, 1818036, 2020040, 2203680, 2272545, 2424048, 3030060, 3305520, 3636072, 4040080, 4545090, 4848096, 6060120, 6611040, 7272144, 8080160, 9090180, 12120240, 14544288, 18180360, 24240480, 36360720, 72721440]

約数ペア:

[(1, 72721440), (2, 36360720), (3, 24240480), (4, 18180360), (5, 14544288), (6, 12120240), (8, 9090180), (9, 8080160), (10, 7272144), (11, 6611040), (12, 6060120), (15, 4848096), (16, 4545090), (18, 4040080), (20, 3636072), (22, 3305520), (24, 3030060), (30, 2424048), (32, 2272545), (33, 2203680), (36, 2020040), (40, 1818036), (44, 1652760), (45, 1616032), (48, 1515030), (55, 1322208), (60, 1212024), (66, 1101840), (72, 1010020), (80, 909018), (88, 826380), (90, 808016), (96, 757515), (99, 734560), (110, 661104), (120, 606012), (132, 550920), (144, 505010), (160, 454509), (165, 440736), (176, 413190), (180, 404008), (198, 367280), (220, 330552), (240, 303006), (264, 275460), (288, 252505), (330, 220368), (352, 206595), (360, 202004), (396, 183640), (440, 165276), (480, 151503), (495, 146912), (528, 137730), (660, 110184), (720, 101002), (792, 91820), (880, 82638), (990, 73456), (1056, 68865), (1320, 55092), (1440, 50501), (1584, 45910), (1760, 41319), (1980, 36728), (2640, 27546), (3168, 22955), (3960, 18364), (4591, 15840), (5280, 13773), (7920, 9182)]