213720320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 573072192

約数和(自身を除く): 359351872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 256, 320, 344, 352, 353, 430, 440, 473, 640, 688, 704, 706, 860, 880, 946, 1280, 1376, 1408, 1412, 1720, 1760, 1765, 1892, 2365, 2752, 2816, 2824, 3440, 3520, 3530, 3784, 3883, 4730, 5504, 5648, 6880, 7040, 7060, 7568, 7766, 9460, 11008, 11296, 13760, 14080, 14120, 15136, 15179, 15532, 18920, 19415, 22592, 27520, 28240, 30272, 30358, 31064, 37840, 38830, 45184, 55040, 56480, 60544, 60716, 62128, 75680, 75895, 77660, 90368, 112960, 121088, 121432, 124256, 151360, 151790, 155320, 166969, 225920, 242864, 248512, 302720, 303580, 310640, 333938, 451840, 485728, 497024, 605440, 607160, 621280, 667876, 834845, 971456, 994048, 1214320, 1242560, 1335752, 1669690, 1942912, 2428640, 2485120, 2671504, 3339380, 3885824, 4857280, 4970240, 5343008, 6678760, 9714560, 10686016, 13357520, 19429120, 21372032, 26715040, 42744064, 53430080, 106860160, 213720320]

約数ペア:

[(1, 213720320), (2, 106860160), (4, 53430080), (5, 42744064), (8, 26715040), (10, 21372032), (11, 19429120), (16, 13357520), (20, 10686016), (22, 9714560), (32, 6678760), (40, 5343008), (43, 4970240), (44, 4857280), (55, 3885824), (64, 3339380), (80, 2671504), (86, 2485120), (88, 2428640), (110, 1942912), (128, 1669690), (160, 1335752), (172, 1242560), (176, 1214320), (215, 994048), (220, 971456), (256, 834845), (320, 667876), (344, 621280), (352, 607160), (353, 605440), (430, 497024), (440, 485728), (473, 451840), (640, 333938), (688, 310640), (704, 303580), (706, 302720), (860, 248512), (880, 242864), (946, 225920), (1280, 166969), (1376, 155320), (1408, 151790), (1412, 151360), (1720, 124256), (1760, 121432), (1765, 121088), (1892, 112960), (2365, 90368), (2752, 77660), (2816, 75895), (2824, 75680), (3440, 62128), (3520, 60716), (3530, 60544), (3784, 56480), (3883, 55040), (4730, 45184), (5504, 38830), (5648, 37840), (6880, 31064), (7040, 30358), (7060, 30272), (7568, 28240), (7766, 27520), (9460, 22592), (11008, 19415), (11296, 18920), (13760, 15532), (14080, 15179), (14120, 15136)]