217871640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 384

約数和(自身を含む): 886464000

約数和(自身を除く): 668592360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 49, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 98, 105, 108, 115, 120, 126, 135, 138, 140, 147, 161, 168, 179, 180, 184, 189, 196, 207, 210, 216, 230, 245, 252, 270, 276, 280, 294, 315, 322, 345, 358, 360, 378, 392, 414, 420, 441, 460, 483, 490, 504, 537, 540, 552, 588, 621, 630, 644, 690, 716, 735, 756, 805, 828, 840, 882, 895, 920, 945, 966, 980, 1035, 1074, 1080, 1127, 1176, 1242, 1253, 1260, 1288, 1323, 1380, 1432, 1449, 1470, 1512, 1610, 1611, 1656, 1764, 1790, 1890, 1932, 1960, 2070, 2148, 2205, 2254, 2415, 2484, 2506, 2520, 2646, 2685, 2760, 2898, 2940, 3105, 3220, 3222, 3381, 3528, 3580, 3759, 3780, 3864, 4117, 4140, 4296, 4347, 4410, 4508, 4830, 4833, 4968, 5012, 5292, 5370, 5635, 5796, 5880, 6210, 6265, 6440, 6444, 6615, 6762, 7160, 7245, 7518, 7560, 8055, 8234, 8280, 8694, 8771, 8820, 9016, 9660, 9666, 10024, 10143, 10584, 10740, 11270, 11277, 11592, 12351, 12420, 12530, 12888, 13230, 13524, 14490, 15036, 16110, 16468, 16905, 17388, 17542, 17640, 18795, 19320, 19332, 20286, 20585, 21480, 21735, 22540, 22554, 24165, 24702, 24840, 25060, 26313, 26460, 27048, 28819, 28980, 30072, 30429, 32220, 32936, 33810, 33831, 34776, 35084, 37053, 37590, 38664, 40572, 41170, 43470, 43855, 45080, 45108, 48330, 49404, 50120, 50715, 52626, 52920, 56385, 57638, 57960, 60858, 61755, 64440, 67620, 67662, 70168, 74106, 75180, 78939, 81144, 82340, 86457, 86940, 87710, 90216, 96660, 98808, 101430, 105252, 111159, 112770, 115276, 121716, 123510, 131565, 135240, 135324, 144095, 148212, 150360, 152145, 157878, 164680, 169155, 172914, 173880, 175420, 185265, 193320, 201733, 202860, 210504, 222318, 225540, 230552, 236817, 243432, 247020, 259371, 263130, 270648, 288190, 296424, 304290, 315756, 338310, 345828, 350840, 370530, 394695, 403466, 405720, 432285, 444636, 451080, 473634, 494040, 518742, 526260, 555795, 576380, 605199, 608580, 631512, 676620, 691656, 741060, 778113, 789390, 806932, 864570, 889272, 947268, 1008665, 1037484, 1052520, 1111590, 1152760, 1184085, 1210398, 1217160, 1296855, 1353240, 1482120, 1556226, 1578780, 1613864, 1729140, 1815597, 1894536, 2017330, 2074968, 2223180, 2368170, 2420796, 2593710, 3025995, 3112452, 3157560, 3458280, 3631194, 3890565, 4034660, 4446360, 4736340, 4841592, 5187420, 5446791, 6051990, 6224904, 7262388, 7781130, 8069320, 9077985, 9472680, 10374840, 10893582, 12103980, 14524776, 15562260, 18155970, 21787164, 24207960, 27233955, 31124520, 36311940, 43574328, 54467910, 72623880, 108935820, 217871640]

約数ペア:

[(1, 217871640), (2, 108935820), (3, 72623880), (4, 54467910), (5, 43574328), (6, 36311940), (7, 31124520), (8, 27233955), (9, 24207960), (10, 21787164), (12, 18155970), (14, 15562260), (15, 14524776), (18, 12103980), (20, 10893582), (21, 10374840), (23, 9472680), (24, 9077985), (27, 8069320), (28, 7781130), (30, 7262388), (35, 6224904), (36, 6051990), (40, 5446791), (42, 5187420), (45, 4841592), (46, 4736340), (49, 4446360), (54, 4034660), (56, 3890565), (60, 3631194), (63, 3458280), (69, 3157560), (70, 3112452), (72, 3025995), (84, 2593710), (90, 2420796), (92, 2368170), (98, 2223180), (105, 2074968), (108, 2017330), (115, 1894536), (120, 1815597), (126, 1729140), (135, 1613864), (138, 1578780), (140, 1556226), (147, 1482120), (161, 1353240), (168, 1296855), (179, 1217160), (180, 1210398), (184, 1184085), (189, 1152760), (196, 1111590), (207, 1052520), (210, 1037484), (216, 1008665), (230, 947268), (245, 889272), (252, 864570), (270, 806932), (276, 789390), (280, 778113), (294, 741060), (315, 691656), (322, 676620), (345, 631512), (358, 608580), (360, 605199), (378, 576380), (392, 555795), (414, 526260), (420, 518742), (441, 494040), (460, 473634), (483, 451080), (490, 444636), (504, 432285), (537, 405720), (540, 403466), (552, 394695), (588, 370530), (621, 350840), (630, 345828), (644, 338310), (690, 315756), (716, 304290), (735, 296424), (756, 288190), (805, 270648), (828, 263130), (840, 259371), (882, 247020), (895, 243432), (920, 236817), (945, 230552), (966, 225540), (980, 222318), (1035, 210504), (1074, 202860), (1080, 201733), (1127, 193320), (1176, 185265), (1242, 175420), (1253, 173880), (1260, 172914), (1288, 169155), (1323, 164680), (1380, 157878), (1432, 152145), (1449, 150360), (1470, 148212), (1512, 144095), (1610, 135324), (1611, 135240), (1656, 131565), (1764, 123510), (1790, 121716), (1890, 115276), (1932, 112770), (1960, 111159), (2070, 105252), (2148, 101430), (2205, 98808), (2254, 96660), (2415, 90216), (2484, 87710), (2506, 86940), (2520, 86457), (2646, 82340), (2685, 81144), (2760, 78939), (2898, 75180), (2940, 74106), (3105, 70168), (3220, 67662), (3222, 67620), (3381, 64440), (3528, 61755), (3580, 60858), (3759, 57960), (3780, 57638), (3864, 56385), (4117, 52920), (4140, 52626), (4296, 50715), (4347, 50120), (4410, 49404), (4508, 48330), (4830, 45108), (4833, 45080), (4968, 43855), (5012, 43470), (5292, 41170), (5370, 40572), (5635, 38664), (5796, 37590), (5880, 37053), (6210, 35084), (6265, 34776), (6440, 33831), (6444, 33810), (6615, 32936), (6762, 32220), (7160, 30429), (7245, 30072), (7518, 28980), (7560, 28819), (8055, 27048), (8234, 26460), (8280, 26313), (8694, 25060), (8771, 24840), (8820, 24702), (9016, 24165), (9660, 22554), (9666, 22540), (10024, 21735), (10143, 21480), (10584, 20585), (10740, 20286), (11270, 19332), (11277, 19320), (11592, 18795), (12351, 17640), (12420, 17542), (12530, 17388), (12888, 16905), (13230, 16468), (13524, 16110), (14490, 15036)]