217275520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4446

約数の個数: 128

約数和(自身を含む): 647740800

約数和(自身を除く): 430465280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4409, 4480, 4928, 6160, 7040, 8818, 9856, 12320, 17636, 22045, 24640, 30863, 35272, 44090, 48499, 49280, 61726, 70544, 88180, 96998, 123452, 141088, 154315, 176360, 193996, 242495, 246904, 282176, 308630, 339493, 352720, 387992, 484990, 493808, 564352, 617260, 678986, 705440, 775984, 969980, 987616, 1234520, 1357972, 1410880, 1551968, 1697465, 1939960, 1975232, 2469040, 2715944, 2821760, 3103936, 3394930, 3879920, 3950464, 4938080, 5431888, 6207872, 6789860, 7759840, 9876160, 10863776, 13579720, 15519680, 19752320, 21727552, 27159440, 31039360, 43455104, 54318880, 108637760, 217275520]

約数ペア:

[(1, 217275520), (2, 108637760), (4, 54318880), (5, 43455104), (7, 31039360), (8, 27159440), (10, 21727552), (11, 19752320), (14, 15519680), (16, 13579720), (20, 10863776), (22, 9876160), (28, 7759840), (32, 6789860), (35, 6207872), (40, 5431888), (44, 4938080), (55, 3950464), (56, 3879920), (64, 3394930), (70, 3103936), (77, 2821760), (80, 2715944), (88, 2469040), (110, 1975232), (112, 1939960), (128, 1697465), (140, 1551968), (154, 1410880), (160, 1357972), (176, 1234520), (220, 987616), (224, 969980), (280, 775984), (308, 705440), (320, 678986), (352, 617260), (385, 564352), (440, 493808), (448, 484990), (560, 387992), (616, 352720), (640, 339493), (704, 308630), (770, 282176), (880, 246904), (896, 242495), (1120, 193996), (1232, 176360), (1408, 154315), (1540, 141088), (1760, 123452), (2240, 96998), (2464, 88180), (3080, 70544), (3520, 61726), (4409, 49280), (4480, 48499), (4928, 44090), (6160, 35272), (7040, 30863), (8818, 24640), (9856, 22045), (12320, 17636)]