217686720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9859}}^1$

素因数の和:9902

約数の個数: 112

約数和(自身を含む): 721278720

約数和(自身を除く): 503592000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 2208, 2760, 3680, 4416, 5520, 7360, 9859, 11040, 19718, 22080, 29577, 39436, 49295, 59154, 78872, 98590, 118308, 147885, 157744, 197180, 226757, 236616, 295770, 315488, 394360, 453514, 473232, 591540, 630976, 680271, 788720, 907028, 946464, 1133785, 1183080, 1360542, 1577440, 1814056, 1892928, 2267570, 2366160, 2721084, 3154880, 3401355, 3628112, 4535140, 4732320, 5442168, 6802710, 7256224, 9070280, 9464640, 10884336, 13605420, 14512448, 18140560, 21768672, 27210840, 36281120, 43537344, 54421680, 72562240, 108843360, 217686720]

約数ペア:

[(1, 217686720), (2, 108843360), (3, 72562240), (4, 54421680), (5, 43537344), (6, 36281120), (8, 27210840), (10, 21768672), (12, 18140560), (15, 14512448), (16, 13605420), (20, 10884336), (23, 9464640), (24, 9070280), (30, 7256224), (32, 6802710), (40, 5442168), (46, 4732320), (48, 4535140), (60, 3628112), (64, 3401355), (69, 3154880), (80, 2721084), (92, 2366160), (96, 2267570), (115, 1892928), (120, 1814056), (138, 1577440), (160, 1360542), (184, 1183080), (192, 1133785), (230, 946464), (240, 907028), (276, 788720), (320, 680271), (345, 630976), (368, 591540), (460, 473232), (480, 453514), (552, 394360), (690, 315488), (736, 295770), (920, 236616), (960, 226757), (1104, 197180), (1380, 157744), (1472, 147885), (1840, 118308), (2208, 98590), (2760, 78872), (3680, 59154), (4416, 49295), (5520, 39436), (7360, 29577), (9859, 22080), (11040, 19718)]