140126720

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 80

約数和(自身を含む): 339406848

約数和(自身を除く): 199280128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 431, 508, 512, 635, 640, 862, 1016, 1270, 1280, 1724, 2032, 2155, 2540, 2560, 3448, 4064, 4310, 5080, 6896, 8128, 8620, 10160, 13792, 16256, 17240, 20320, 27584, 32512, 34480, 40640, 54737, 55168, 65024, 68960, 81280, 109474, 110336, 137920, 162560, 218948, 220672, 273685, 275840, 325120, 437896, 547370, 551680, 875792, 1094740, 1103360, 1751584, 2189480, 3503168, 4378960, 7006336, 8757920, 14012672, 17515840, 28025344, 35031680, 70063360, 140126720]

約数ペア:

[(1, 140126720), (2, 70063360), (4, 35031680), (5, 28025344), (8, 17515840), (10, 14012672), (16, 8757920), (20, 7006336), (32, 4378960), (40, 3503168), (64, 2189480), (80, 1751584), (127, 1103360), (128, 1094740), (160, 875792), (254, 551680), (256, 547370), (320, 437896), (431, 325120), (508, 275840), (512, 273685), (635, 220672), (640, 218948), (862, 162560), (1016, 137920), (1270, 110336), (1280, 109474), (1724, 81280), (2032, 68960), (2155, 65024), (2540, 55168), (2560, 54737), (3448, 40640), (4064, 34480), (4310, 32512), (5080, 27584), (6896, 20320), (8128, 17240), (8620, 16256), (10160, 13792)]