40320720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1730

約数の個数: 160

約数和(自身を含む): 151597440

約数和(自身を除く): 111276720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1320, 1485, 1584, 1697, 1980, 2160, 2376, 2640, 2970, 3394, 3960, 4752, 5091, 5940, 6788, 7920, 8485, 10182, 11880, 13576, 15273, 16970, 18667, 20364, 23760, 25455, 27152, 30546, 33940, 37334, 40728, 45819, 50910, 56001, 61092, 67880, 74668, 76365, 81456, 91638, 93335, 101820, 112002, 122184, 135760, 149336, 152730, 168003, 183276, 186670, 203640, 224004, 229095, 244368, 280005, 298672, 305460, 336006, 366552, 373340, 407280, 448008, 458190, 504009, 560010, 610920, 672012, 733104, 746680, 840015, 896016, 916380, 1008018, 1120020, 1221840, 1344024, 1493360, 1680030, 1832760, 2016036, 2240040, 2520045, 2688048, 3360060, 3665520, 4032072, 4480080, 5040090, 6720120, 8064144, 10080180, 13440240, 20160360, 40320720]

約数ペア:

[(1, 40320720), (2, 20160360), (3, 13440240), (4, 10080180), (5, 8064144), (6, 6720120), (8, 5040090), (9, 4480080), (10, 4032072), (11, 3665520), (12, 3360060), (15, 2688048), (16, 2520045), (18, 2240040), (20, 2016036), (22, 1832760), (24, 1680030), (27, 1493360), (30, 1344024), (33, 1221840), (36, 1120020), (40, 1008018), (44, 916380), (45, 896016), (48, 840015), (54, 746680), (55, 733104), (60, 672012), (66, 610920), (72, 560010), (80, 504009), (88, 458190), (90, 448008), (99, 407280), (108, 373340), (110, 366552), (120, 336006), (132, 305460), (135, 298672), (144, 280005), (165, 244368), (176, 229095), (180, 224004), (198, 203640), (216, 186670), (220, 183276), (240, 168003), (264, 152730), (270, 149336), (297, 135760), (330, 122184), (360, 112002), (396, 101820), (432, 93335), (440, 91638), (495, 81456), (528, 76365), (540, 74668), (594, 67880), (660, 61092), (720, 56001), (792, 50910), (880, 45819), (990, 40728), (1080, 37334), (1188, 33940), (1320, 30546), (1485, 27152), (1584, 25455), (1697, 23760), (1980, 20364), (2160, 18667), (2376, 16970), (2640, 15273), (2970, 13576), (3394, 11880), (3960, 10182), (4752, 8485), (5091, 7920), (5940, 6788)]