27201280

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 66225600

約数和(自身を除く): 39024320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 269, 316, 320, 395, 538, 632, 640, 790, 1076, 1264, 1280, 1345, 1580, 2152, 2528, 2690, 3160, 4304, 5056, 5380, 6320, 8608, 10112, 10760, 12640, 17216, 20224, 21251, 21520, 25280, 34432, 42502, 43040, 50560, 68864, 85004, 86080, 101120, 106255, 170008, 172160, 212510, 340016, 344320, 425020, 680032, 850040, 1360064, 1700080, 2720128, 3400160, 5440256, 6800320, 13600640, 27201280]

約数ペア:

[(1, 27201280), (2, 13600640), (4, 6800320), (5, 5440256), (8, 3400160), (10, 2720128), (16, 1700080), (20, 1360064), (32, 850040), (40, 680032), (64, 425020), (79, 344320), (80, 340016), (128, 212510), (158, 172160), (160, 170008), (256, 106255), (269, 101120), (316, 86080), (320, 85004), (395, 68864), (538, 50560), (632, 43040), (640, 42502), (790, 34432), (1076, 25280), (1264, 21520), (1280, 21251), (1345, 20224), (1580, 17216), (2152, 12640), (2528, 10760), (2690, 10112), (3160, 8608), (4304, 6320), (5056, 5380)]