18901080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 256

約数和(自身を含む): 72230400

約数和(自身を除く): 53329320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 37, 40, 43, 44, 45, 54, 55, 60, 66, 72, 74, 86, 88, 90, 99, 108, 110, 111, 120, 129, 132, 135, 148, 165, 172, 180, 185, 198, 215, 216, 220, 222, 258, 264, 270, 296, 297, 330, 333, 344, 360, 370, 387, 396, 407, 430, 440, 444, 473, 495, 516, 540, 555, 594, 645, 660, 666, 740, 774, 792, 814, 860, 888, 946, 990, 999, 1032, 1080, 1110, 1161, 1188, 1221, 1290, 1320, 1332, 1419, 1480, 1485, 1548, 1591, 1628, 1665, 1720, 1892, 1935, 1980, 1998, 2035, 2220, 2322, 2365, 2376, 2442, 2580, 2664, 2838, 2970, 3096, 3182, 3256, 3330, 3663, 3784, 3870, 3960, 3996, 4070, 4257, 4440, 4644, 4730, 4773, 4884, 4995, 5160, 5676, 5805, 5940, 6105, 6364, 6660, 7095, 7326, 7740, 7955, 7992, 8140, 8514, 9288, 9460, 9546, 9768, 9990, 10989, 11352, 11610, 11880, 12210, 12728, 12771, 13320, 14190, 14319, 14652, 15480, 15910, 16280, 17028, 17501, 18315, 18920, 19092, 19980, 21285, 21978, 23220, 23865, 24420, 25542, 28380, 28638, 29304, 31820, 34056, 35002, 36630, 38184, 39960, 42570, 42957, 43956, 46440, 47730, 48840, 51084, 52503, 54945, 56760, 57276, 63640, 63855, 70004, 71595, 73260, 85140, 85914, 87505, 87912, 95460, 102168, 105006, 109890, 114552, 127710, 140008, 143190, 146520, 157509, 170280, 171828, 175010, 190920, 210012, 214785, 219780, 255420, 262515, 286380, 315018, 343656, 350020, 420024, 429570, 439560, 472527, 510840, 525030, 572760, 630036, 700040, 787545, 859140, 945054, 1050060, 1260072, 1575090, 1718280, 1890108, 2100120, 2362635, 3150180, 3780216, 4725270, 6300360, 9450540, 18901080]

約数ペア:

[(1, 18901080), (2, 9450540), (3, 6300360), (4, 4725270), (5, 3780216), (6, 3150180), (8, 2362635), (9, 2100120), (10, 1890108), (11, 1718280), (12, 1575090), (15, 1260072), (18, 1050060), (20, 945054), (22, 859140), (24, 787545), (27, 700040), (30, 630036), (33, 572760), (36, 525030), (37, 510840), (40, 472527), (43, 439560), (44, 429570), (45, 420024), (54, 350020), (55, 343656), (60, 315018), (66, 286380), (72, 262515), (74, 255420), (86, 219780), (88, 214785), (90, 210012), (99, 190920), (108, 175010), (110, 171828), (111, 170280), (120, 157509), (129, 146520), (132, 143190), (135, 140008), (148, 127710), (165, 114552), (172, 109890), (180, 105006), (185, 102168), (198, 95460), (215, 87912), (216, 87505), (220, 85914), (222, 85140), (258, 73260), (264, 71595), (270, 70004), (296, 63855), (297, 63640), (330, 57276), (333, 56760), (344, 54945), (360, 52503), (370, 51084), (387, 48840), (396, 47730), (407, 46440), (430, 43956), (440, 42957), (444, 42570), (473, 39960), (495, 38184), (516, 36630), (540, 35002), (555, 34056), (594, 31820), (645, 29304), (660, 28638), (666, 28380), (740, 25542), (774, 24420), (792, 23865), (814, 23220), (860, 21978), (888, 21285), (946, 19980), (990, 19092), (999, 18920), (1032, 18315), (1080, 17501), (1110, 17028), (1161, 16280), (1188, 15910), (1221, 15480), (1290, 14652), (1320, 14319), (1332, 14190), (1419, 13320), (1480, 12771), (1485, 12728), (1548, 12210), (1591, 11880), (1628, 11610), (1665, 11352), (1720, 10989), (1892, 9990), (1935, 9768), (1980, 9546), (1998, 9460), (2035, 9288), (2220, 8514), (2322, 8140), (2365, 7992), (2376, 7955), (2442, 7740), (2580, 7326), (2664, 7095), (2838, 6660), (2970, 6364), (3096, 6105), (3182, 5940), (3256, 5805), (3330, 5676), (3663, 5160), (3784, 4995), (3870, 4884), (3960, 4773), (3996, 4730), (4070, 4644), (4257, 4440)]