67682720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 190035720

約数和(自身を除く): 122353000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 89, 97, 98, 112, 140, 160, 178, 194, 196, 224, 245, 280, 356, 388, 392, 445, 485, 490, 560, 623, 679, 712, 776, 784, 890, 970, 980, 1120, 1246, 1358, 1424, 1552, 1568, 1780, 1940, 1960, 2492, 2716, 2848, 3104, 3115, 3395, 3560, 3880, 3920, 4361, 4753, 4984, 5432, 6230, 6790, 7120, 7760, 7840, 8633, 8722, 9506, 9968, 10864, 12460, 13580, 14240, 15520, 17266, 17444, 19012, 19936, 21728, 21805, 23765, 24920, 27160, 34532, 34888, 38024, 43165, 43610, 47530, 49840, 54320, 60431, 69064, 69776, 76048, 86330, 87220, 95060, 99680, 108640, 120862, 138128, 139552, 152096, 172660, 174440, 190120, 241724, 276256, 302155, 345320, 348880, 380240, 423017, 483448, 604310, 690640, 697760, 760480, 846034, 966896, 1208620, 1381280, 1692068, 1933792, 2115085, 2417240, 3384136, 4230170, 4834480, 6768272, 8460340, 9668960, 13536544, 16920680, 33841360, 67682720]

約数ペア:

[(1, 67682720), (2, 33841360), (4, 16920680), (5, 13536544), (7, 9668960), (8, 8460340), (10, 6768272), (14, 4834480), (16, 4230170), (20, 3384136), (28, 2417240), (32, 2115085), (35, 1933792), (40, 1692068), (49, 1381280), (56, 1208620), (70, 966896), (80, 846034), (89, 760480), (97, 697760), (98, 690640), (112, 604310), (140, 483448), (160, 423017), (178, 380240), (194, 348880), (196, 345320), (224, 302155), (245, 276256), (280, 241724), (356, 190120), (388, 174440), (392, 172660), (445, 152096), (485, 139552), (490, 138128), (560, 120862), (623, 108640), (679, 99680), (712, 95060), (776, 87220), (784, 86330), (890, 76048), (970, 69776), (980, 69064), (1120, 60431), (1246, 54320), (1358, 49840), (1424, 47530), (1552, 43610), (1568, 43165), (1780, 38024), (1940, 34888), (1960, 34532), (2492, 27160), (2716, 24920), (2848, 23765), (3104, 21805), (3115, 21728), (3395, 19936), (3560, 19012), (3880, 17444), (3920, 17266), (4361, 15520), (4753, 14240), (4984, 13580), (5432, 12460), (6230, 10864), (6790, 9968), (7120, 9506), (7760, 8722), (7840, 8633)]