639470080

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13147}}^1$

素因数の和:13189

約数の個数: 80

約数和(自身を含む): 1614048480

約数和(自身を除く): 974578400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 13147, 24320, 26294, 48640, 52588, 65735, 105176, 131470, 210352, 249793, 262940, 420704, 499586, 525880, 841408, 999172, 1051760, 1248965, 1682816, 1998344, 2103520, 2497930, 3365632, 3996688, 4207040, 4995860, 6731264, 7993376, 8414080, 9991720, 15986752, 16828160, 19983440, 31973504, 33656320, 39966880, 63947008, 79933760, 127894016, 159867520, 319735040, 639470080]

約数ペア:

[(1, 639470080), (2, 319735040), (4, 159867520), (5, 127894016), (8, 79933760), (10, 63947008), (16, 39966880), (19, 33656320), (20, 31973504), (32, 19983440), (38, 16828160), (40, 15986752), (64, 9991720), (76, 8414080), (80, 7993376), (95, 6731264), (128, 4995860), (152, 4207040), (160, 3996688), (190, 3365632), (256, 2497930), (304, 2103520), (320, 1998344), (380, 1682816), (512, 1248965), (608, 1051760), (640, 999172), (760, 841408), (1216, 525880), (1280, 499586), (1520, 420704), (2432, 262940), (2560, 249793), (3040, 210352), (4864, 131470), (6080, 105176), (9728, 65735), (12160, 52588), (13147, 48640), (24320, 26294)]