20008446720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{7433}}^1$

素因数の和:8158

約数の個数: 144

約数和(自身を含む): 64001744352

約数和(自身を除く): 43993297632

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 701, 768, 960, 1280, 1402, 1920, 2103, 2804, 3505, 3840, 4206, 5608, 7010, 7433, 8412, 10515, 11216, 14020, 14866, 16824, 21030, 22299, 22432, 28040, 29732, 33648, 37165, 42060, 44598, 44864, 56080, 59464, 67296, 74330, 84120, 89196, 89728, 111495, 112160, 118928, 134592, 148660, 168240, 178392, 179456, 222990, 224320, 237856, 269184, 297320, 336480, 356784, 445980, 448640, 475712, 538368, 594640, 672960, 713568, 891960, 897280, 951424, 1189280, 1345920, 1427136, 1783920, 1902848, 2378560, 2691840, 2854272, 3567840, 4757120, 5210533, 5708544, 7135680, 9514240, 10421066, 14271360, 15631599, 20842132, 26052665, 28542720, 31263198, 41684264, 52105330, 62526396, 78157995, 83368528, 104210660, 125052792, 156315990, 166737056, 208421320, 250105584, 312631980, 333474112, 416842640, 500211168, 625263960, 666948224, 833685280, 1000422336, 1250527920, 1333896448, 1667370560, 2000844672, 2501055840, 3334741120, 4001689344, 5002111680, 6669482240, 10004223360, 20008446720]

約数ペア:

[(1, 20008446720), (2, 10004223360), (3, 6669482240), (4, 5002111680), (5, 4001689344), (6, 3334741120), (8, 2501055840), (10, 2000844672), (12, 1667370560), (15, 1333896448), (16, 1250527920), (20, 1000422336), (24, 833685280), (30, 666948224), (32, 625263960), (40, 500211168), (48, 416842640), (60, 333474112), (64, 312631980), (80, 250105584), (96, 208421320), (120, 166737056), (128, 156315990), (160, 125052792), (192, 104210660), (240, 83368528), (256, 78157995), (320, 62526396), (384, 52105330), (480, 41684264), (640, 31263198), (701, 28542720), (768, 26052665), (960, 20842132), (1280, 15631599), (1402, 14271360), (1920, 10421066), (2103, 9514240), (2804, 7135680), (3505, 5708544), (3840, 5210533), (4206, 4757120), (5608, 3567840), (7010, 2854272), (7433, 2691840), (8412, 2378560), (10515, 1902848), (11216, 1783920), (14020, 1427136), (14866, 1345920), (16824, 1189280), (21030, 951424), (22299, 897280), (22432, 891960), (28040, 713568), (29732, 672960), (33648, 594640), (37165, 538368), (42060, 475712), (44598, 448640), (44864, 445980), (56080, 356784), (59464, 336480), (67296, 297320), (74330, 269184), (84120, 237856), (89196, 224320), (89728, 222990), (111495, 179456), (112160, 178392), (118928, 168240), (134592, 148660)]