81267340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 215115264

約数和(自身を除く): 133847924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 113, 140, 154, 220, 226, 308, 385, 452, 467, 565, 770, 791, 934, 1130, 1243, 1540, 1582, 1868, 2260, 2335, 2486, 3164, 3269, 3955, 4670, 4972, 5137, 6215, 6538, 7910, 8701, 9340, 10274, 12430, 13076, 15820, 16345, 17402, 20548, 24860, 25685, 32690, 34804, 35959, 43505, 51370, 52771, 65380, 71918, 87010, 102740, 105542, 143836, 174020, 179795, 211084, 263855, 359590, 369397, 527710, 580481, 719180, 738794, 1055420, 1160962, 1477588, 1846985, 2321924, 2902405, 3693970, 4063367, 5804810, 7387940, 8126734, 11609620, 16253468, 20316835, 40633670, 81267340]

約数ペア:

[(1, 81267340), (2, 40633670), (4, 20316835), (5, 16253468), (7, 11609620), (10, 8126734), (11, 7387940), (14, 5804810), (20, 4063367), (22, 3693970), (28, 2902405), (35, 2321924), (44, 1846985), (55, 1477588), (70, 1160962), (77, 1055420), (110, 738794), (113, 719180), (140, 580481), (154, 527710), (220, 369397), (226, 359590), (308, 263855), (385, 211084), (452, 179795), (467, 174020), (565, 143836), (770, 105542), (791, 102740), (934, 87010), (1130, 71918), (1243, 65380), (1540, 52771), (1582, 51370), (1868, 43505), (2260, 35959), (2335, 34804), (2486, 32690), (3164, 25685), (3269, 24860), (3955, 20548), (4670, 17402), (4972, 16345), (5137, 15820), (6215, 13076), (6538, 12430), (7910, 10274), (8701, 9340)]