212655360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:804

約数の個数: 144

約数和(自身を含む): 688746240

約数和(自身を除く): 476090880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 701, 768, 790, 948, 960, 1185, 1264, 1280, 1402, 1580, 1896, 1920, 2103, 2370, 2528, 2804, 3160, 3505, 3792, 3840, 4206, 4740, 5056, 5608, 6320, 7010, 7584, 8412, 9480, 10112, 10515, 11216, 12640, 14020, 15168, 16824, 18960, 20224, 21030, 22432, 25280, 28040, 30336, 33648, 37920, 42060, 44864, 50560, 55379, 56080, 60672, 67296, 75840, 84120, 89728, 101120, 110758, 112160, 134592, 151680, 166137, 168240, 179456, 221516, 224320, 269184, 276895, 303360, 332274, 336480, 443032, 448640, 538368, 553790, 664548, 672960, 830685, 886064, 897280, 1107580, 1329096, 1345920, 1661370, 1772128, 2215160, 2658192, 2691840, 3322740, 3544256, 4430320, 5316384, 6645480, 7088512, 8860640, 10632768, 13290960, 14177024, 17721280, 21265536, 26581920, 35442560, 42531072, 53163840, 70885120, 106327680, 212655360]

約数ペア:

[(1, 212655360), (2, 106327680), (3, 70885120), (4, 53163840), (5, 42531072), (6, 35442560), (8, 26581920), (10, 21265536), (12, 17721280), (15, 14177024), (16, 13290960), (20, 10632768), (24, 8860640), (30, 7088512), (32, 6645480), (40, 5316384), (48, 4430320), (60, 3544256), (64, 3322740), (79, 2691840), (80, 2658192), (96, 2215160), (120, 1772128), (128, 1661370), (158, 1345920), (160, 1329096), (192, 1107580), (237, 897280), (240, 886064), (256, 830685), (316, 672960), (320, 664548), (384, 553790), (395, 538368), (474, 448640), (480, 443032), (632, 336480), (640, 332274), (701, 303360), (768, 276895), (790, 269184), (948, 224320), (960, 221516), (1185, 179456), (1264, 168240), (1280, 166137), (1402, 151680), (1580, 134592), (1896, 112160), (1920, 110758), (2103, 101120), (2370, 89728), (2528, 84120), (2804, 75840), (3160, 67296), (3505, 60672), (3792, 56080), (3840, 55379), (4206, 50560), (4740, 44864), (5056, 42060), (5608, 37920), (6320, 33648), (7010, 30336), (7584, 28040), (8412, 25280), (9480, 22432), (10112, 21030), (10515, 20224), (11216, 18960), (12640, 16824), (14020, 15168)]