18023880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 63360000

約数和(自身を除く): 45336120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 499, 516, 602, 645, 840, 860, 903, 998, 1032, 1204, 1290, 1497, 1505, 1720, 1806, 1996, 2408, 2495, 2580, 2994, 3010, 3493, 3612, 3992, 4515, 4990, 5160, 5988, 6020, 6986, 7224, 7485, 9030, 9980, 10479, 11976, 12040, 13972, 14970, 17465, 18060, 19960, 20958, 21457, 27944, 29940, 34930, 36120, 41916, 42914, 52395, 59880, 64371, 69860, 83832, 85828, 104790, 107285, 128742, 139720, 150199, 171656, 209580, 214570, 257484, 300398, 321855, 419160, 429140, 450597, 514968, 600796, 643710, 750995, 858280, 901194, 1201592, 1287420, 1501990, 1802388, 2252985, 2574840, 3003980, 3604776, 4505970, 6007960, 9011940, 18023880]

約数ペア:

[(1, 18023880), (2, 9011940), (3, 6007960), (4, 4505970), (5, 3604776), (6, 3003980), (7, 2574840), (8, 2252985), (10, 1802388), (12, 1501990), (14, 1287420), (15, 1201592), (20, 901194), (21, 858280), (24, 750995), (28, 643710), (30, 600796), (35, 514968), (40, 450597), (42, 429140), (43, 419160), (56, 321855), (60, 300398), (70, 257484), (84, 214570), (86, 209580), (105, 171656), (120, 150199), (129, 139720), (140, 128742), (168, 107285), (172, 104790), (210, 85828), (215, 83832), (258, 69860), (280, 64371), (301, 59880), (344, 52395), (420, 42914), (430, 41916), (499, 36120), (516, 34930), (602, 29940), (645, 27944), (840, 21457), (860, 20958), (903, 19960), (998, 18060), (1032, 17465), (1204, 14970), (1290, 13972), (1497, 12040), (1505, 11976), (1720, 10479), (1806, 9980), (1996, 9030), (2408, 7485), (2495, 7224), (2580, 6986), (2994, 6020), (3010, 5988), (3493, 5160), (3612, 4990), (3992, 4515)]