20123627520

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2579}}^1$

素因数の和:2738

約数の個数: 208

約数和(自身を含む): 64919900160

約数和(自身を除く): 44796272640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1024, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2048, 2540, 2560, 2579, 3048, 3072, 3810, 3840, 4064, 4096, 5080, 5120, 5158, 6096, 6144, 7620, 7680, 7737, 8128, 10160, 10240, 10316, 12192, 12288, 12895, 15240, 15360, 15474, 16256, 20320, 20480, 20632, 24384, 25790, 30480, 30720, 30948, 32512, 38685, 40640, 41264, 48768, 51580, 60960, 61440, 61896, 65024, 77370, 81280, 82528, 97536, 103160, 121920, 123792, 130048, 154740, 162560, 165056, 195072, 206320, 243840, 247584, 260096, 309480, 325120, 327533, 330112, 390144, 412640, 487680, 495168, 520192, 618960, 650240, 655066, 660224, 780288, 825280, 975360, 982599, 990336, 1237920, 1300480, 1310132, 1320448, 1560576, 1637665, 1650560, 1950720, 1965198, 1980672, 2475840, 2600960, 2620264, 2640896, 3275330, 3301120, 3901440, 3930396, 3961344, 4912995, 4951680, 5240528, 5281792, 6550660, 6602240, 7802880, 7860792, 7922688, 9825990, 9903360, 10481056, 10563584, 13101320, 13204480, 15721584, 15845376, 19651980, 19806720, 20962112, 26202640, 26408960, 31443168, 31690752, 39303960, 39613440, 41924224, 52405280, 52817920, 62886336, 78607920, 79226880, 83848448, 104810560, 125772672, 157215840, 158453760, 167696896, 209621120, 251545344, 314431680, 335393792, 419242240, 503090688, 628863360, 670787584, 838484480, 1006181376, 1257726720, 1341575168, 1676968960, 2012362752, 2515453440, 3353937920, 4024725504, 5030906880, 6707875840, 10061813760, 20123627520]

約数ペア:

[(1, 20123627520), (2, 10061813760), (3, 6707875840), (4, 5030906880), (5, 4024725504), (6, 3353937920), (8, 2515453440), (10, 2012362752), (12, 1676968960), (15, 1341575168), (16, 1257726720), (20, 1006181376), (24, 838484480), (30, 670787584), (32, 628863360), (40, 503090688), (48, 419242240), (60, 335393792), (64, 314431680), (80, 251545344), (96, 209621120), (120, 167696896), (127, 158453760), (128, 157215840), (160, 125772672), (192, 104810560), (240, 83848448), (254, 79226880), (256, 78607920), (320, 62886336), (381, 52817920), (384, 52405280), (480, 41924224), (508, 39613440), (512, 39303960), (635, 31690752), (640, 31443168), (762, 26408960), (768, 26202640), (960, 20962112), (1016, 19806720), (1024, 19651980), (1270, 15845376), (1280, 15721584), (1524, 13204480), (1536, 13101320), (1905, 10563584), (1920, 10481056), (2032, 9903360), (2048, 9825990), (2540, 7922688), (2560, 7860792), (2579, 7802880), (3048, 6602240), (3072, 6550660), (3810, 5281792), (3840, 5240528), (4064, 4951680), (4096, 4912995), (5080, 3961344), (5120, 3930396), (5158, 3901440), (6096, 3301120), (6144, 3275330), (7620, 2640896), (7680, 2620264), (7737, 2600960), (8128, 2475840), (10160, 1980672), (10240, 1965198), (10316, 1950720), (12192, 1650560), (12288, 1637665), (12895, 1560576), (15240, 1320448), (15360, 1310132), (15474, 1300480), (16256, 1237920), (20320, 990336), (20480, 982599), (20632, 975360), (24384, 825280), (25790, 780288), (30480, 660224), (30720, 655066), (30948, 650240), (32512, 618960), (38685, 520192), (40640, 495168), (41264, 487680), (48768, 412640), (51580, 390144), (60960, 330112), (61440, 327533), (61896, 325120), (65024, 309480), (77370, 260096), (81280, 247584), (82528, 243840), (97536, 206320), (103160, 195072), (121920, 165056), (123792, 162560), (130048, 154740)]