31920560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 120

約数和(自身を含む): 91601280

約数和(自身を除く): 59680720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 479, 490, 560, 595, 680, 784, 833, 952, 958, 980, 1190, 1360, 1666, 1904, 1916, 1960, 2380, 2395, 3332, 3353, 3832, 3920, 4165, 4760, 4790, 6664, 6706, 7664, 8143, 8330, 9520, 9580, 13328, 13412, 16286, 16660, 16765, 19160, 23471, 26824, 32572, 33320, 33530, 38320, 40715, 46942, 53648, 57001, 65144, 66640, 67060, 81430, 93884, 114002, 117355, 130288, 134120, 162860, 187768, 228004, 234710, 268240, 285005, 325720, 375536, 399007, 456008, 469420, 570010, 651440, 798014, 912016, 938840, 1140020, 1596028, 1877680, 1995035, 2280040, 3192056, 3990070, 4560080, 6384112, 7980140, 15960280, 31920560]

約数ペア:

[(1, 31920560), (2, 15960280), (4, 7980140), (5, 6384112), (7, 4560080), (8, 3990070), (10, 3192056), (14, 2280040), (16, 1995035), (17, 1877680), (20, 1596028), (28, 1140020), (34, 938840), (35, 912016), (40, 798014), (49, 651440), (56, 570010), (68, 469420), (70, 456008), (80, 399007), (85, 375536), (98, 325720), (112, 285005), (119, 268240), (136, 234710), (140, 228004), (170, 187768), (196, 162860), (238, 134120), (245, 130288), (272, 117355), (280, 114002), (340, 93884), (392, 81430), (476, 67060), (479, 66640), (490, 65144), (560, 57001), (595, 53648), (680, 46942), (784, 40715), (833, 38320), (952, 33530), (958, 33320), (980, 32572), (1190, 26824), (1360, 23471), (1666, 19160), (1904, 16765), (1916, 16660), (1960, 16286), (2380, 13412), (2395, 13328), (3332, 9580), (3353, 9520), (3832, 8330), (3920, 8143), (4165, 7664), (4760, 6706), (4790, 6664)]