31124520

素因数分解:

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

素因数の和:229

約数の個数: 256

約数和(自身を含む): 124416000

約数和(自身を除く): 93291480

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, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 179, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 358, 360, 378, 414, 420, 460, 483, 504, 537, 540, 552, 621, 630, 644, 690, 716, 756, 805, 828, 840, 895, 920, 945, 966, 1035, 1074, 1080, 1242, 1253, 1260, 1288, 1380, 1432, 1449, 1512, 1610, 1611, 1656, 1790, 1890, 1932, 2070, 2148, 2415, 2484, 2506, 2520, 2685, 2760, 2898, 3105, 3220, 3222, 3580, 3759, 3780, 3864, 4117, 4140, 4296, 4347, 4830, 4833, 4968, 5012, 5370, 5796, 6210, 6265, 6440, 6444, 7160, 7245, 7518, 7560, 8055, 8234, 8280, 8694, 9660, 9666, 10024, 10740, 11277, 11592, 12351, 12420, 12530, 12888, 14490, 15036, 16110, 16468, 17388, 18795, 19320, 19332, 20585, 21480, 21735, 22554, 24165, 24702, 24840, 25060, 28819, 28980, 30072, 32220, 32936, 33831, 34776, 37053, 37590, 38664, 41170, 43470, 45108, 48330, 49404, 50120, 56385, 57638, 57960, 61755, 64440, 67662, 74106, 75180, 82340, 86457, 86940, 90216, 96660, 98808, 111159, 112770, 115276, 123510, 135324, 144095, 148212, 150360, 164680, 169155, 172914, 173880, 185265, 193320, 222318, 225540, 230552, 247020, 259371, 270648, 288190, 296424, 338310, 345828, 370530, 432285, 444636, 451080, 494040, 518742, 555795, 576380, 676620, 691656, 741060, 778113, 864570, 889272, 1037484, 1111590, 1152760, 1296855, 1353240, 1482120, 1556226, 1729140, 2074968, 2223180, 2593710, 3112452, 3458280, 3890565, 4446360, 5187420, 6224904, 7781130, 10374840, 15562260, 31124520]

約数ペア:

[(1, 31124520), (2, 15562260), (3, 10374840), (4, 7781130), (5, 6224904), (6, 5187420), (7, 4446360), (8, 3890565), (9, 3458280), (10, 3112452), (12, 2593710), (14, 2223180), (15, 2074968), (18, 1729140), (20, 1556226), (21, 1482120), (23, 1353240), (24, 1296855), (27, 1152760), (28, 1111590), (30, 1037484), (35, 889272), (36, 864570), (40, 778113), (42, 741060), (45, 691656), (46, 676620), (54, 576380), (56, 555795), (60, 518742), (63, 494040), (69, 451080), (70, 444636), (72, 432285), (84, 370530), (90, 345828), (92, 338310), (105, 296424), (108, 288190), (115, 270648), (120, 259371), (126, 247020), (135, 230552), (138, 225540), (140, 222318), (161, 193320), (168, 185265), (179, 173880), (180, 172914), (184, 169155), (189, 164680), (207, 150360), (210, 148212), (216, 144095), (230, 135324), (252, 123510), (270, 115276), (276, 112770), (280, 111159), (315, 98808), (322, 96660), (345, 90216), (358, 86940), (360, 86457), (378, 82340), (414, 75180), (420, 74106), (460, 67662), (483, 64440), (504, 61755), (537, 57960), (540, 57638), (552, 56385), (621, 50120), (630, 49404), (644, 48330), (690, 45108), (716, 43470), (756, 41170), (805, 38664), (828, 37590), (840, 37053), (895, 34776), (920, 33831), (945, 32936), (966, 32220), (1035, 30072), (1074, 28980), (1080, 28819), (1242, 25060), (1253, 24840), (1260, 24702), (1288, 24165), (1380, 22554), (1432, 21735), (1449, 21480), (1512, 20585), (1610, 19332), (1611, 19320), (1656, 18795), (1790, 17388), (1890, 16468), (1932, 16110), (2070, 15036), (2148, 14490), (2415, 12888), (2484, 12530), (2506, 12420), (2520, 12351), (2685, 11592), (2760, 11277), (2898, 10740), (3105, 10024), (3220, 9666), (3222, 9660), (3580, 8694), (3759, 8280), (3780, 8234), (3864, 8055), (4117, 7560), (4140, 7518), (4296, 7245), (4347, 7160), (4830, 6444), (4833, 6440), (4968, 6265), (5012, 6210), (5370, 5796)]