31201280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 81965520

約数和(自身を除く): 50764240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 277, 320, 352, 440, 512, 554, 640, 704, 880, 1024, 1108, 1280, 1385, 1408, 1760, 2048, 2216, 2560, 2770, 2816, 3047, 3520, 4432, 5120, 5540, 5632, 6094, 7040, 8864, 10240, 11080, 11264, 12188, 14080, 15235, 17728, 22160, 22528, 24376, 28160, 30470, 35456, 44320, 48752, 56320, 60940, 70912, 88640, 97504, 112640, 121880, 141824, 177280, 195008, 243760, 283648, 354560, 390016, 487520, 567296, 709120, 780032, 975040, 1418240, 1560064, 1950080, 2836480, 3120128, 3900160, 6240256, 7800320, 15600640, 31201280]

約数ペア:

[(1, 31201280), (2, 15600640), (4, 7800320), (5, 6240256), (8, 3900160), (10, 3120128), (11, 2836480), (16, 1950080), (20, 1560064), (22, 1418240), (32, 975040), (40, 780032), (44, 709120), (55, 567296), (64, 487520), (80, 390016), (88, 354560), (110, 283648), (128, 243760), (160, 195008), (176, 177280), (220, 141824), (256, 121880), (277, 112640), (320, 97504), (352, 88640), (440, 70912), (512, 60940), (554, 56320), (640, 48752), (704, 44320), (880, 35456), (1024, 30470), (1108, 28160), (1280, 24376), (1385, 22528), (1408, 22160), (1760, 17728), (2048, 15235), (2216, 14080), (2560, 12188), (2770, 11264), (2816, 11080), (3047, 10240), (3520, 8864), (4432, 7040), (5120, 6094), (5540, 5632)]