128944440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 256

約数和(自身を含む): 466560000

約数和(自身を除く): 337615560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 29, 30, 36, 40, 45, 46, 54, 58, 60, 69, 72, 87, 90, 92, 108, 115, 116, 120, 135, 138, 145, 174, 179, 180, 184, 207, 216, 230, 232, 261, 270, 276, 290, 345, 348, 358, 360, 414, 435, 460, 522, 537, 540, 552, 580, 621, 667, 690, 696, 716, 783, 828, 870, 895, 920, 1035, 1044, 1074, 1080, 1160, 1242, 1305, 1334, 1380, 1432, 1566, 1611, 1656, 1740, 1790, 2001, 2070, 2088, 2148, 2484, 2610, 2668, 2685, 2760, 3105, 3132, 3222, 3335, 3480, 3580, 3915, 4002, 4117, 4140, 4296, 4833, 4968, 5191, 5220, 5336, 5370, 6003, 6210, 6264, 6444, 6670, 7160, 7830, 8004, 8055, 8234, 8280, 9666, 10005, 10382, 10440, 10740, 12006, 12351, 12420, 12888, 13340, 15573, 15660, 16008, 16110, 16468, 18009, 19332, 20010, 20585, 20764, 21480, 24012, 24165, 24702, 24840, 25955, 26680, 30015, 31146, 31320, 32220, 32936, 36018, 37053, 38664, 40020, 41170, 41528, 46719, 48024, 48330, 49404, 51910, 60030, 61755, 62292, 64440, 72036, 74106, 77865, 80040, 82340, 90045, 93438, 96660, 98808, 103820, 111159, 119393, 120060, 123510, 124584, 140157, 144072, 148212, 155730, 164680, 180090, 185265, 186876, 193320, 207640, 222318, 233595, 238786, 240120, 247020, 280314, 296424, 311460, 358179, 360180, 370530, 373752, 444636, 467190, 477572, 494040, 555795, 560628, 596965, 622920, 700785, 716358, 720360, 741060, 889272, 934380, 955144, 1074537, 1111590, 1121256, 1193930, 1401570, 1432716, 1482120, 1790895, 1868760, 2149074, 2223180, 2387860, 2803140, 2865432, 3223611, 3581790, 4298148, 4446360, 4775720, 5372685, 5606280, 6447222, 7163580, 8596296, 10745370, 12894444, 14327160, 16118055, 21490740, 25788888, 32236110, 42981480, 64472220, 128944440]

約数ペア:

[(1, 128944440), (2, 64472220), (3, 42981480), (4, 32236110), (5, 25788888), (6, 21490740), (8, 16118055), (9, 14327160), (10, 12894444), (12, 10745370), (15, 8596296), (18, 7163580), (20, 6447222), (23, 5606280), (24, 5372685), (27, 4775720), (29, 4446360), (30, 4298148), (36, 3581790), (40, 3223611), (45, 2865432), (46, 2803140), (54, 2387860), (58, 2223180), (60, 2149074), (69, 1868760), (72, 1790895), (87, 1482120), (90, 1432716), (92, 1401570), (108, 1193930), (115, 1121256), (116, 1111590), (120, 1074537), (135, 955144), (138, 934380), (145, 889272), (174, 741060), (179, 720360), (180, 716358), (184, 700785), (207, 622920), (216, 596965), (230, 560628), (232, 555795), (261, 494040), (270, 477572), (276, 467190), (290, 444636), (345, 373752), (348, 370530), (358, 360180), (360, 358179), (414, 311460), (435, 296424), (460, 280314), (522, 247020), (537, 240120), (540, 238786), (552, 233595), (580, 222318), (621, 207640), (667, 193320), (690, 186876), (696, 185265), (716, 180090), (783, 164680), (828, 155730), (870, 148212), (895, 144072), (920, 140157), (1035, 124584), (1044, 123510), (1074, 120060), (1080, 119393), (1160, 111159), (1242, 103820), (1305, 98808), (1334, 96660), (1380, 93438), (1432, 90045), (1566, 82340), (1611, 80040), (1656, 77865), (1740, 74106), (1790, 72036), (2001, 64440), (2070, 62292), (2088, 61755), (2148, 60030), (2484, 51910), (2610, 49404), (2668, 48330), (2685, 48024), (2760, 46719), (3105, 41528), (3132, 41170), (3222, 40020), (3335, 38664), (3480, 37053), (3580, 36018), (3915, 32936), (4002, 32220), (4117, 31320), (4140, 31146), (4296, 30015), (4833, 26680), (4968, 25955), (5191, 24840), (5220, 24702), (5336, 24165), (5370, 24012), (6003, 21480), (6210, 20764), (6264, 20585), (6444, 20010), (6670, 19332), (7160, 18009), (7830, 16468), (8004, 16110), (8055, 16008), (8234, 15660), (8280, 15573), (9666, 13340), (10005, 12888), (10382, 12420), (10440, 12351), (10740, 12006)]