1798307840

素因数分解:

$2^{20}\times 5^1\times 7^3$

素因数の和:66

約数の個数: 168

約数和(自身を含む): 5033162400

約数和(自身を除く): 3234854560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 980, 1024, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2048, 2240, 2560, 2744, 3136, 3430, 3584, 3920, 4096, 4480, 5120, 5488, 6272, 6860, 7168, 7840, 8192, 8960, 10240, 10976, 12544, 13720, 14336, 15680, 16384, 17920, 20480, 21952, 25088, 27440, 28672, 31360, 32768, 35840, 40960, 43904, 50176, 54880, 57344, 62720, 65536, 71680, 81920, 87808, 100352, 109760, 114688, 125440, 131072, 143360, 163840, 175616, 200704, 219520, 229376, 250880, 262144, 286720, 327680, 351232, 401408, 439040, 458752, 501760, 524288, 573440, 655360, 702464, 802816, 878080, 917504, 1003520, 1048576, 1146880, 1310720, 1404928, 1605632, 1756160, 1835008, 2007040, 2293760, 2621440, 2809856, 3211264, 3512320, 3670016, 4014080, 4587520, 5242880, 5619712, 6422528, 7024640, 7340032, 8028160, 9175040, 11239424, 12845056, 14049280, 16056320, 18350080, 22478848, 25690112, 28098560, 32112640, 36700160, 44957696, 51380224, 56197120, 64225280, 89915392, 112394240, 128450560, 179830784, 224788480, 256901120, 359661568, 449576960, 899153920, 1798307840]

約数ペア:

[(1, 1798307840), (2, 899153920), (4, 449576960), (5, 359661568), (7, 256901120), (8, 224788480), (10, 179830784), (14, 128450560), (16, 112394240), (20, 89915392), (28, 64225280), (32, 56197120), (35, 51380224), (40, 44957696), (49, 36700160), (56, 32112640), (64, 28098560), (70, 25690112), (80, 22478848), (98, 18350080), (112, 16056320), (128, 14049280), (140, 12845056), (160, 11239424), (196, 9175040), (224, 8028160), (245, 7340032), (256, 7024640), (280, 6422528), (320, 5619712), (343, 5242880), (392, 4587520), (448, 4014080), (490, 3670016), (512, 3512320), (560, 3211264), (640, 2809856), (686, 2621440), (784, 2293760), (896, 2007040), (980, 1835008), (1024, 1756160), (1120, 1605632), (1280, 1404928), (1372, 1310720), (1568, 1146880), (1715, 1048576), (1792, 1003520), (1960, 917504), (2048, 878080), (2240, 802816), (2560, 702464), (2744, 655360), (3136, 573440), (3430, 524288), (3584, 501760), (3920, 458752), (4096, 439040), (4480, 401408), (5120, 351232), (5488, 327680), (6272, 286720), (6860, 262144), (7168, 250880), (7840, 229376), (8192, 219520), (8960, 200704), (10240, 175616), (10976, 163840), (12544, 143360), (13720, 131072), (14336, 125440), (15680, 114688), (16384, 109760), (17920, 100352), (20480, 87808), (21952, 81920), (25088, 71680), (27440, 65536), (28672, 62720), (31360, 57344), (32768, 54880), (35840, 50176), (40960, 43904)]