641265120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1982

約数の個数: 192

約数和(自身を含む): 2274048000

約数和(自身を除く): 1632782880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 96, 108, 120, 135, 144, 158, 160, 180, 216, 237, 240, 270, 288, 316, 360, 395, 432, 474, 480, 540, 632, 711, 720, 790, 864, 948, 1080, 1185, 1264, 1422, 1440, 1580, 1879, 1896, 2133, 2160, 2370, 2528, 2844, 3160, 3555, 3758, 3792, 4266, 4320, 4740, 5637, 5688, 6320, 7110, 7516, 7584, 8532, 9395, 9480, 10665, 11274, 11376, 12640, 14220, 15032, 16911, 17064, 18790, 18960, 21330, 22548, 22752, 28185, 28440, 30064, 33822, 34128, 37580, 37920, 42660, 45096, 50733, 56370, 56880, 60128, 67644, 68256, 75160, 84555, 85320, 90192, 101466, 112740, 113760, 135288, 148441, 150320, 169110, 170640, 180384, 202932, 225480, 253665, 270576, 296882, 300640, 338220, 341280, 405864, 445323, 450960, 507330, 541152, 593764, 676440, 742205, 811728, 890646, 901920, 1014660, 1187528, 1335969, 1352880, 1484410, 1623456, 1781292, 2029320, 2226615, 2375056, 2671938, 2705760, 2968820, 3562584, 4007907, 4058640, 4453230, 4750112, 5343876, 5937640, 6679845, 7125168, 8015814, 8117280, 8906460, 10687752, 11875280, 13359690, 14250336, 16031628, 17812920, 20039535, 21375504, 23750560, 26719380, 32063256, 35625840, 40079070, 42751008, 53438760, 64126512, 71251680, 80158140, 106877520, 128253024, 160316280, 213755040, 320632560, 641265120]

約数ペア:

[(1, 641265120), (2, 320632560), (3, 213755040), (4, 160316280), (5, 128253024), (6, 106877520), (8, 80158140), (9, 71251680), (10, 64126512), (12, 53438760), (15, 42751008), (16, 40079070), (18, 35625840), (20, 32063256), (24, 26719380), (27, 23750560), (30, 21375504), (32, 20039535), (36, 17812920), (40, 16031628), (45, 14250336), (48, 13359690), (54, 11875280), (60, 10687752), (72, 8906460), (79, 8117280), (80, 8015814), (90, 7125168), (96, 6679845), (108, 5937640), (120, 5343876), (135, 4750112), (144, 4453230), (158, 4058640), (160, 4007907), (180, 3562584), (216, 2968820), (237, 2705760), (240, 2671938), (270, 2375056), (288, 2226615), (316, 2029320), (360, 1781292), (395, 1623456), (432, 1484410), (474, 1352880), (480, 1335969), (540, 1187528), (632, 1014660), (711, 901920), (720, 890646), (790, 811728), (864, 742205), (948, 676440), (1080, 593764), (1185, 541152), (1264, 507330), (1422, 450960), (1440, 445323), (1580, 405864), (1879, 341280), (1896, 338220), (2133, 300640), (2160, 296882), (2370, 270576), (2528, 253665), (2844, 225480), (3160, 202932), (3555, 180384), (3758, 170640), (3792, 169110), (4266, 150320), (4320, 148441), (4740, 135288), (5637, 113760), (5688, 112740), (6320, 101466), (7110, 90192), (7516, 85320), (7584, 84555), (8532, 75160), (9395, 68256), (9480, 67644), (10665, 60128), (11274, 56880), (11376, 56370), (12640, 50733), (14220, 45096), (15032, 42660), (16911, 37920), (17064, 37580), (18790, 34128), (18960, 33822), (21330, 30064), (22548, 28440), (22752, 28185)]