20429945280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15061}}^1$

素因数の和:15244

約数の個数: 224

約数和(自身を含む): 72536182080

約数和(自身を除く): 52106236800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 157, 160, 180, 192, 216, 240, 270, 288, 314, 320, 360, 432, 471, 480, 540, 576, 628, 720, 785, 864, 942, 960, 1080, 1256, 1413, 1440, 1570, 1728, 1884, 2160, 2355, 2512, 2826, 2880, 3140, 3768, 4239, 4320, 4710, 5024, 5652, 6280, 7065, 7536, 8478, 8640, 9420, 10048, 11304, 12560, 14130, 15061, 15072, 16956, 18840, 21195, 22608, 25120, 28260, 30122, 30144, 33912, 37680, 42390, 45183, 45216, 50240, 56520, 60244, 67824, 75305, 75360, 84780, 90366, 90432, 113040, 120488, 135549, 135648, 150610, 150720, 169560, 180732, 225915, 226080, 240976, 271098, 271296, 301220, 339120, 361464, 406647, 451830, 452160, 481952, 542196, 602440, 677745, 678240, 722928, 813294, 903660, 963904, 1084392, 1204880, 1355490, 1356480, 1445856, 1626588, 1807320, 2033235, 2168784, 2364577, 2409760, 2710980, 2891712, 3253176, 3614640, 4066470, 4337568, 4729154, 4819520, 5421960, 6506352, 7093731, 7229280, 8132940, 8675136, 9458308, 10843920, 11822885, 13012704, 14187462, 14458560, 16265880, 18916616, 21281193, 21687840, 23645770, 26025408, 28374924, 32531760, 35468655, 37833232, 42562386, 43375680, 47291540, 56749848, 63843579, 65063520, 70937310, 75666464, 85124772, 94583080, 106405965, 113499696, 127687158, 130127040, 141874620, 151332928, 170249544, 189166160, 212811930, 226999392, 255374316, 283749240, 319217895, 340499088, 378332320, 425623860, 453998784, 510748632, 567498480, 638435790, 680998176, 756664640, 851247720, 1021497264, 1134996960, 1276871580, 1361996352, 1702495440, 2042994528, 2269993920, 2553743160, 3404990880, 4085989056, 5107486320, 6809981760, 10214972640, 20429945280]

約数ペア:

[(1, 20429945280), (2, 10214972640), (3, 6809981760), (4, 5107486320), (5, 4085989056), (6, 3404990880), (8, 2553743160), (9, 2269993920), (10, 2042994528), (12, 1702495440), (15, 1361996352), (16, 1276871580), (18, 1134996960), (20, 1021497264), (24, 851247720), (27, 756664640), (30, 680998176), (32, 638435790), (36, 567498480), (40, 510748632), (45, 453998784), (48, 425623860), (54, 378332320), (60, 340499088), (64, 319217895), (72, 283749240), (80, 255374316), (90, 226999392), (96, 212811930), (108, 189166160), (120, 170249544), (135, 151332928), (144, 141874620), (157, 130127040), (160, 127687158), (180, 113499696), (192, 106405965), (216, 94583080), (240, 85124772), (270, 75666464), (288, 70937310), (314, 65063520), (320, 63843579), (360, 56749848), (432, 47291540), (471, 43375680), (480, 42562386), (540, 37833232), (576, 35468655), (628, 32531760), (720, 28374924), (785, 26025408), (864, 23645770), (942, 21687840), (960, 21281193), (1080, 18916616), (1256, 16265880), (1413, 14458560), (1440, 14187462), (1570, 13012704), (1728, 11822885), (1884, 10843920), (2160, 9458308), (2355, 8675136), (2512, 8132940), (2826, 7229280), (2880, 7093731), (3140, 6506352), (3768, 5421960), (4239, 4819520), (4320, 4729154), (4710, 4337568), (5024, 4066470), (5652, 3614640), (6280, 3253176), (7065, 2891712), (7536, 2710980), (8478, 2409760), (8640, 2364577), (9420, 2168784), (10048, 2033235), (11304, 1807320), (12560, 1626588), (14130, 1445856), (15061, 1356480), (15072, 1355490), (16956, 1204880), (18840, 1084392), (21195, 963904), (22608, 903660), (25120, 813294), (28260, 722928), (30122, 678240), (30144, 677745), (33912, 602440), (37680, 542196), (42390, 481952), (45183, 452160), (45216, 451830), (50240, 406647), (56520, 361464), (60244, 339120), (67824, 301220), (75305, 271296), (75360, 271098), (84780, 240976), (90366, 226080), (90432, 225915), (113040, 180732), (120488, 169560), (135549, 150720), (135648, 150610)]