20399070720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{619}}^1$

素因数の和:1265

約数の個数: 320

約数和(自身を含む): 74771642880

約数和(自身を除く): 54372572160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 613, 619, 640, 672, 768, 840, 896, 960, 1120, 1226, 1238, 1280, 1344, 1536, 1680, 1792, 1839, 1857, 1920, 2240, 2452, 2476, 2560, 2688, 3065, 3095, 3360, 3584, 3678, 3714, 3840, 4291, 4333, 4480, 4904, 4952, 5376, 6130, 6190, 6720, 7356, 7428, 7680, 8582, 8666, 8960, 9195, 9285, 9808, 9904, 10752, 12260, 12380, 12873, 12999, 13440, 14712, 14856, 17164, 17332, 17920, 18390, 18570, 19616, 19808, 21455, 21665, 24520, 24760, 25746, 25998, 26880, 29424, 29712, 34328, 34664, 36780, 37140, 39232, 39616, 42910, 43330, 49040, 49520, 51492, 51996, 53760, 58848, 59424, 64365, 64995, 68656, 69328, 73560, 74280, 78464, 79232, 85820, 86660, 98080, 99040, 102984, 103992, 117696, 118848, 128730, 129990, 137312, 138656, 147120, 148560, 156928, 158464, 171640, 173320, 196160, 198080, 205968, 207984, 235392, 237696, 257460, 259980, 274624, 277312, 294240, 297120, 313856, 316928, 343280, 346640, 379447, 392320, 396160, 411936, 415968, 470784, 475392, 514920, 519960, 549248, 554624, 588480, 594240, 686560, 693280, 758894, 784640, 792320, 823872, 831936, 941568, 950784, 1029840, 1039920, 1098496, 1109248, 1138341, 1176960, 1188480, 1373120, 1386560, 1517788, 1569280, 1584640, 1647744, 1663872, 1897235, 2059680, 2079840, 2196992, 2218496, 2276682, 2353920, 2376960, 2656129, 2746240, 2773120, 3035576, 3295488, 3327744, 3794470, 4119360, 4159680, 4553364, 4707840, 4753920, 5312258, 5492480, 5546240, 5691705, 6071152, 6590976, 6655488, 7588940, 7968387, 8238720, 8319360, 9106728, 10624516, 10984960, 11092480, 11383410, 12142304, 13280645, 15177880, 15936774, 16477440, 16638720, 18213456, 21249032, 22766820, 24284608, 26561290, 30355760, 31873548, 32954880, 33277440, 36426912, 39841935, 42498064, 45533640, 48569216, 53122580, 60711520, 63747096, 72853824, 79683870, 84996128, 91067280, 97138432, 106245160, 121423040, 127494192, 145707648, 159367740, 169992256, 182134560, 194276864, 212490320, 242846080, 254988384, 291415296, 318735480, 339984512, 364269120, 424980640, 485692160, 509976768, 582830592, 637470960, 679969024, 728538240, 849961280, 971384320, 1019953536, 1274941920, 1359938048, 1457076480, 1699922560, 2039907072, 2549883840, 2914152960, 3399845120, 4079814144, 5099767680, 6799690240, 10199535360, 20399070720]

約数ペア:

[(1, 20399070720), (2, 10199535360), (3, 6799690240), (4, 5099767680), (5, 4079814144), (6, 3399845120), (7, 2914152960), (8, 2549883840), (10, 2039907072), (12, 1699922560), (14, 1457076480), (15, 1359938048), (16, 1274941920), (20, 1019953536), (21, 971384320), (24, 849961280), (28, 728538240), (30, 679969024), (32, 637470960), (35, 582830592), (40, 509976768), (42, 485692160), (48, 424980640), (56, 364269120), (60, 339984512), (64, 318735480), (70, 291415296), (80, 254988384), (84, 242846080), (96, 212490320), (105, 194276864), (112, 182134560), (120, 169992256), (128, 159367740), (140, 145707648), (160, 127494192), (168, 121423040), (192, 106245160), (210, 97138432), (224, 91067280), (240, 84996128), (256, 79683870), (280, 72853824), (320, 63747096), (336, 60711520), (384, 53122580), (420, 48569216), (448, 45533640), (480, 42498064), (512, 39841935), (560, 36426912), (613, 33277440), (619, 32954880), (640, 31873548), (672, 30355760), (768, 26561290), (840, 24284608), (896, 22766820), (960, 21249032), (1120, 18213456), (1226, 16638720), (1238, 16477440), (1280, 15936774), (1344, 15177880), (1536, 13280645), (1680, 12142304), (1792, 11383410), (1839, 11092480), (1857, 10984960), (1920, 10624516), (2240, 9106728), (2452, 8319360), (2476, 8238720), (2560, 7968387), (2688, 7588940), (3065, 6655488), (3095, 6590976), (3360, 6071152), (3584, 5691705), (3678, 5546240), (3714, 5492480), (3840, 5312258), (4291, 4753920), (4333, 4707840), (4480, 4553364), (4904, 4159680), (4952, 4119360), (5376, 3794470), (6130, 3327744), (6190, 3295488), (6720, 3035576), (7356, 2773120), (7428, 2746240), (7680, 2656129), (8582, 2376960), (8666, 2353920), (8960, 2276682), (9195, 2218496), (9285, 2196992), (9808, 2079840), (9904, 2059680), (10752, 1897235), (12260, 1663872), (12380, 1647744), (12873, 1584640), (12999, 1569280), (13440, 1517788), (14712, 1386560), (14856, 1373120), (17164, 1188480), (17332, 1176960), (17920, 1138341), (18390, 1109248), (18570, 1098496), (19616, 1039920), (19808, 1029840), (21455, 950784), (21665, 941568), (24520, 831936), (24760, 823872), (25746, 792320), (25998, 784640), (26880, 758894), (29424, 693280), (29712, 686560), (34328, 594240), (34664, 588480), (36780, 554624), (37140, 549248), (39232, 519960), (39616, 514920), (42910, 475392), (43330, 470784), (49040, 415968), (49520, 411936), (51492, 396160), (51996, 392320), (53760, 379447), (58848, 346640), (59424, 343280), (64365, 316928), (64995, 313856), (68656, 297120), (69328, 294240), (73560, 277312), (74280, 274624), (78464, 259980), (79232, 257460), (85820, 237696), (86660, 235392), (98080, 207984), (99040, 205968), (102984, 198080), (103992, 196160), (117696, 173320), (118848, 171640), (128730, 158464), (129990, 156928), (137312, 148560), (138656, 147120)]