51218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 194987520

約数和(自身を除く): 143768880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 99, 110, 116, 120, 132, 144, 145, 165, 174, 176, 180, 198, 220, 223, 232, 240, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 446, 464, 495, 522, 528, 580, 638, 660, 669, 696, 720, 792, 870, 880, 892, 957, 990, 1044, 1115, 1160, 1276, 1305, 1320, 1338, 1392, 1584, 1595, 1740, 1784, 1914, 1980, 2007, 2088, 2230, 2320, 2453, 2552, 2610, 2640, 2676, 2871, 3190, 3345, 3480, 3568, 3828, 3960, 4014, 4176, 4460, 4785, 4906, 5104, 5220, 5352, 5742, 6380, 6467, 6690, 6960, 7359, 7656, 7920, 8028, 8920, 9570, 9812, 10035, 10440, 10704, 11484, 12265, 12760, 12934, 13380, 14355, 14718, 15312, 16056, 17840, 19140, 19401, 19624, 20070, 20880, 22077, 22968, 24530, 25520, 25868, 26760, 28710, 29436, 32112, 32335, 36795, 38280, 38802, 39248, 40140, 44154, 45936, 49060, 51736, 53520, 57420, 58203, 58872, 64670, 71137, 73590, 76560, 77604, 80280, 88308, 97005, 98120, 103472, 110385, 114840, 116406, 117744, 129340, 142274, 147180, 155208, 160560, 176616, 194010, 196240, 213411, 220770, 229680, 232812, 258680, 284548, 291015, 294360, 310416, 353232, 355685, 388020, 426822, 441540, 465624, 517360, 569096, 582030, 588720, 640233, 711370, 776040, 853644, 883080, 931248, 1067055, 1138192, 1164060, 1280466, 1422740, 1552080, 1707288, 1766160, 2134110, 2328120, 2560932, 2845480, 3201165, 3414576, 4268220, 4656240, 5121864, 5690960, 6402330, 8536440, 10243728, 12804660, 17072880, 25609320, 51218640]

約数ペア:

[(1, 51218640), (2, 25609320), (3, 17072880), (4, 12804660), (5, 10243728), (6, 8536440), (8, 6402330), (9, 5690960), (10, 5121864), (11, 4656240), (12, 4268220), (15, 3414576), (16, 3201165), (18, 2845480), (20, 2560932), (22, 2328120), (24, 2134110), (29, 1766160), (30, 1707288), (33, 1552080), (36, 1422740), (40, 1280466), (44, 1164060), (45, 1138192), (48, 1067055), (55, 931248), (58, 883080), (60, 853644), (66, 776040), (72, 711370), (80, 640233), (87, 588720), (88, 582030), (90, 569096), (99, 517360), (110, 465624), (116, 441540), (120, 426822), (132, 388020), (144, 355685), (145, 353232), (165, 310416), (174, 294360), (176, 291015), (180, 284548), (198, 258680), (220, 232812), (223, 229680), (232, 220770), (240, 213411), (261, 196240), (264, 194010), (290, 176616), (319, 160560), (330, 155208), (348, 147180), (360, 142274), (396, 129340), (435, 117744), (440, 116406), (446, 114840), (464, 110385), (495, 103472), (522, 98120), (528, 97005), (580, 88308), (638, 80280), (660, 77604), (669, 76560), (696, 73590), (720, 71137), (792, 64670), (870, 58872), (880, 58203), (892, 57420), (957, 53520), (990, 51736), (1044, 49060), (1115, 45936), (1160, 44154), (1276, 40140), (1305, 39248), (1320, 38802), (1338, 38280), (1392, 36795), (1584, 32335), (1595, 32112), (1740, 29436), (1784, 28710), (1914, 26760), (1980, 25868), (2007, 25520), (2088, 24530), (2230, 22968), (2320, 22077), (2453, 20880), (2552, 20070), (2610, 19624), (2640, 19401), (2676, 19140), (2871, 17840), (3190, 16056), (3345, 15312), (3480, 14718), (3568, 14355), (3828, 13380), (3960, 12934), (4014, 12760), (4176, 12265), (4460, 11484), (4785, 10704), (4906, 10440), (5104, 10035), (5220, 9812), (5352, 9570), (5742, 8920), (6380, 8028), (6467, 7920), (6690, 7656), (6960, 7359)]