217724640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9257}}^1$

素因数の和:9289

約数の個数: 144

約数和(自身を含む): 797891472

約数和(自身を除く): 580166832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9257, 11760, 18514, 23520, 27771, 37028, 46285, 55542, 64799, 74056, 92570, 111084, 129598, 138855, 148112, 185140, 194397, 222168, 259196, 277710, 296224, 323995, 370280, 388794, 444336, 453593, 518392, 555420, 647990, 740560, 777588, 888672, 907186, 971985, 1036784, 1110840, 1295980, 1360779, 1481120, 1555176, 1814372, 1943970, 2073568, 2221680, 2267965, 2591960, 2721558, 3110352, 3628744, 3887940, 4443360, 4535930, 5183920, 5443116, 6220704, 6803895, 7257488, 7775880, 9071860, 10367840, 10886232, 13607790, 14514976, 15551760, 18143720, 21772464, 27215580, 31103520, 36287440, 43544928, 54431160, 72574880, 108862320, 217724640]

約数ペア:

[(1, 217724640), (2, 108862320), (3, 72574880), (4, 54431160), (5, 43544928), (6, 36287440), (7, 31103520), (8, 27215580), (10, 21772464), (12, 18143720), (14, 15551760), (15, 14514976), (16, 13607790), (20, 10886232), (21, 10367840), (24, 9071860), (28, 7775880), (30, 7257488), (32, 6803895), (35, 6220704), (40, 5443116), (42, 5183920), (48, 4535930), (49, 4443360), (56, 3887940), (60, 3628744), (70, 3110352), (80, 2721558), (84, 2591960), (96, 2267965), (98, 2221680), (105, 2073568), (112, 1943970), (120, 1814372), (140, 1555176), (147, 1481120), (160, 1360779), (168, 1295980), (196, 1110840), (210, 1036784), (224, 971985), (240, 907186), (245, 888672), (280, 777588), (294, 740560), (336, 647990), (392, 555420), (420, 518392), (480, 453593), (490, 444336), (560, 388794), (588, 370280), (672, 323995), (735, 296224), (784, 277710), (840, 259196), (980, 222168), (1120, 194397), (1176, 185140), (1470, 148112), (1568, 138855), (1680, 129598), (1960, 111084), (2352, 92570), (2940, 74056), (3360, 64799), (3920, 55542), (4704, 46285), (5880, 37028), (7840, 27771), (9257, 23520), (11760, 18514)]