1680672960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20123}}^1$

素因数の和:20175

約数の個数: 168

約数和(自身を含む): 5980450320

約数和(自身を除く): 4299777360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 435, 464, 480, 522, 576, 580, 696, 720, 870, 928, 960, 1044, 1160, 1305, 1392, 1440, 1740, 1856, 2088, 2320, 2610, 2784, 2880, 3480, 4176, 4640, 5220, 5568, 6960, 8352, 9280, 10440, 13920, 16704, 20123, 20880, 27840, 40246, 41760, 60369, 80492, 83520, 100615, 120738, 160984, 181107, 201230, 241476, 301845, 321968, 362214, 402460, 482952, 583567, 603690, 643936, 724428, 804920, 905535, 965904, 1167134, 1207380, 1287872, 1448856, 1609840, 1750701, 1811070, 1931808, 2334268, 2414760, 2897712, 2917835, 3219680, 3501402, 3622140, 3863616, 4668536, 4829520, 5252103, 5795424, 5835670, 6439360, 7002804, 7244280, 8753505, 9337072, 9659040, 10504206, 11590848, 11671340, 14005608, 14488560, 17507010, 18674144, 19318080, 21008412, 23342680, 26260515, 28011216, 28977120, 35014020, 37348288, 42016824, 46685360, 52521030, 56022432, 57954240, 70028040, 84033648, 93370720, 105042060, 112044864, 140056080, 168067296, 186741440, 210084120, 280112160, 336134592, 420168240, 560224320, 840336480, 1680672960]

約数ペア:

[(1, 1680672960), (2, 840336480), (3, 560224320), (4, 420168240), (5, 336134592), (6, 280112160), (8, 210084120), (9, 186741440), (10, 168067296), (12, 140056080), (15, 112044864), (16, 105042060), (18, 93370720), (20, 84033648), (24, 70028040), (29, 57954240), (30, 56022432), (32, 52521030), (36, 46685360), (40, 42016824), (45, 37348288), (48, 35014020), (58, 28977120), (60, 28011216), (64, 26260515), (72, 23342680), (80, 21008412), (87, 19318080), (90, 18674144), (96, 17507010), (116, 14488560), (120, 14005608), (144, 11671340), (145, 11590848), (160, 10504206), (174, 9659040), (180, 9337072), (192, 8753505), (232, 7244280), (240, 7002804), (261, 6439360), (288, 5835670), (290, 5795424), (320, 5252103), (348, 4829520), (360, 4668536), (435, 3863616), (464, 3622140), (480, 3501402), (522, 3219680), (576, 2917835), (580, 2897712), (696, 2414760), (720, 2334268), (870, 1931808), (928, 1811070), (960, 1750701), (1044, 1609840), (1160, 1448856), (1305, 1287872), (1392, 1207380), (1440, 1167134), (1740, 965904), (1856, 905535), (2088, 804920), (2320, 724428), (2610, 643936), (2784, 603690), (2880, 583567), (3480, 482952), (4176, 402460), (4640, 362214), (5220, 321968), (5568, 301845), (6960, 241476), (8352, 201230), (9280, 181107), (10440, 160984), (13920, 120738), (16704, 100615), (20123, 83520), (20880, 80492), (27840, 60369), (40246, 41760)]