320314960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 887896296

約数和(自身を除く): 567581336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1148, 1435, 1640, 1960, 1993, 2009, 2296, 2870, 3280, 3920, 3986, 4018, 4592, 5740, 7972, 8036, 9965, 10045, 11480, 13951, 15944, 16072, 19930, 20090, 22960, 27902, 31888, 32144, 39860, 40180, 55804, 69755, 79720, 80360, 81713, 97657, 111608, 139510, 159440, 160720, 163426, 195314, 223216, 279020, 326852, 390628, 408565, 488285, 558040, 571991, 653704, 781256, 817130, 976570, 1116080, 1143982, 1307408, 1562512, 1634260, 1953140, 2287964, 2859955, 3268520, 3906280, 4003937, 4575928, 5719910, 6537040, 7812560, 8007874, 9151856, 11439820, 16015748, 20019685, 22879640, 32031496, 40039370, 45759280, 64062992, 80078740, 160157480, 320314960]

約数ペア:

[(1, 320314960), (2, 160157480), (4, 80078740), (5, 64062992), (7, 45759280), (8, 40039370), (10, 32031496), (14, 22879640), (16, 20019685), (20, 16015748), (28, 11439820), (35, 9151856), (40, 8007874), (41, 7812560), (49, 6537040), (56, 5719910), (70, 4575928), (80, 4003937), (82, 3906280), (98, 3268520), (112, 2859955), (140, 2287964), (164, 1953140), (196, 1634260), (205, 1562512), (245, 1307408), (280, 1143982), (287, 1116080), (328, 976570), (392, 817130), (410, 781256), (490, 653704), (560, 571991), (574, 558040), (656, 488285), (784, 408565), (820, 390628), (980, 326852), (1148, 279020), (1435, 223216), (1640, 195314), (1960, 163426), (1993, 160720), (2009, 159440), (2296, 139510), (2870, 111608), (3280, 97657), (3920, 81713), (3986, 80360), (4018, 79720), (4592, 69755), (5740, 55804), (7972, 40180), (8036, 39860), (9965, 32144), (10045, 31888), (11480, 27902), (13951, 22960), (15944, 20090), (16072, 19930)]