64801440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4091}}^1$

素因数の和:4123

約数の個数: 144

約数和(自身を含む): 241297056

約数和(自身を除く): 176495616

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, 4091, 5280, 7920, 8182, 12273, 15840, 16364, 20455, 24546, 32728, 36819, 40910, 45001, 49092, 61365, 65456, 73638, 81820, 90002, 98184, 122730, 130912, 135003, 147276, 163640, 180004, 184095, 196368, 225005, 245460, 270006, 294552, 327280, 360008, 368190, 392736, 405009, 450010, 490920, 540012, 589104, 654560, 675015, 720016, 736380, 810018, 900020, 981840, 1080024, 1178208, 1350030, 1440032, 1472760, 1620036, 1800040, 1963680, 2025045, 2160048, 2700060, 2945520, 3240072, 3600080, 4050090, 4320096, 5400120, 5891040, 6480144, 7200160, 8100180, 10800240, 12960288, 16200360, 21600480, 32400720, 64801440]

約数ペア:

[(1, 64801440), (2, 32400720), (3, 21600480), (4, 16200360), (5, 12960288), (6, 10800240), (8, 8100180), (9, 7200160), (10, 6480144), (11, 5891040), (12, 5400120), (15, 4320096), (16, 4050090), (18, 3600080), (20, 3240072), (22, 2945520), (24, 2700060), (30, 2160048), (32, 2025045), (33, 1963680), (36, 1800040), (40, 1620036), (44, 1472760), (45, 1440032), (48, 1350030), (55, 1178208), (60, 1080024), (66, 981840), (72, 900020), (80, 810018), (88, 736380), (90, 720016), (96, 675015), (99, 654560), (110, 589104), (120, 540012), (132, 490920), (144, 450010), (160, 405009), (165, 392736), (176, 368190), (180, 360008), (198, 327280), (220, 294552), (240, 270006), (264, 245460), (288, 225005), (330, 196368), (352, 184095), (360, 180004), (396, 163640), (440, 147276), (480, 135003), (495, 130912), (528, 122730), (660, 98184), (720, 90002), (792, 81820), (880, 73638), (990, 65456), (1056, 61365), (1320, 49092), (1440, 45001), (1584, 40910), (1760, 36819), (1980, 32728), (2640, 24546), (3168, 20455), (3960, 16364), (4091, 15840), (5280, 12273), (7920, 8182)]