66940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10867}}^1$

素因数の和:10898

約数の個数: 80

約数和(自身を含む): 194059008

約数和(自身を除く): 127118288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 10867, 21734, 43468, 54335, 76069, 86936, 108670, 119537, 152138, 173872, 217340, 239074, 304276, 380345, 434680, 478148, 597685, 608552, 760690, 836759, 869360, 956296, 1195370, 1217104, 1521380, 1673518, 1912592, 2390740, 3042760, 3347036, 4183795, 4781480, 6085520, 6694072, 8367590, 9562960, 13388144, 16735180, 33470360, 66940720]

約数ペア:

[(1, 66940720), (2, 33470360), (4, 16735180), (5, 13388144), (7, 9562960), (8, 8367590), (10, 6694072), (11, 6085520), (14, 4781480), (16, 4183795), (20, 3347036), (22, 3042760), (28, 2390740), (35, 1912592), (40, 1673518), (44, 1521380), (55, 1217104), (56, 1195370), (70, 956296), (77, 869360), (80, 836759), (88, 760690), (110, 608552), (112, 597685), (140, 478148), (154, 434680), (176, 380345), (220, 304276), (280, 239074), (308, 217340), (385, 173872), (440, 152138), (560, 119537), (616, 108670), (770, 86936), (880, 76069), (1232, 54335), (1540, 43468), (3080, 21734), (6160, 10867)]