26887280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^3$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 76758480

約数和(自身を除く): 49871200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 361, 380, 392, 490, 532, 560, 665, 722, 760, 784, 931, 980, 1064, 1330, 1444, 1520, 1805, 1862, 1960, 2128, 2527, 2660, 2888, 3610, 3724, 3920, 4655, 5054, 5320, 5776, 6859, 7220, 7448, 9310, 10108, 10640, 12635, 13718, 14440, 14896, 17689, 18620, 20216, 25270, 27436, 28880, 34295, 35378, 37240, 40432, 48013, 50540, 54872, 68590, 70756, 74480, 88445, 96026, 101080, 109744, 137180, 141512, 176890, 192052, 202160, 240065, 274360, 283024, 336091, 353780, 384104, 480130, 548720, 672182, 707560, 768208, 960260, 1344364, 1415120, 1680455, 1920520, 2688728, 3360910, 3841040, 5377456, 6721820, 13443640, 26887280]

約数ペア:

[(1, 26887280), (2, 13443640), (4, 6721820), (5, 5377456), (7, 3841040), (8, 3360910), (10, 2688728), (14, 1920520), (16, 1680455), (19, 1415120), (20, 1344364), (28, 960260), (35, 768208), (38, 707560), (40, 672182), (49, 548720), (56, 480130), (70, 384104), (76, 353780), (80, 336091), (95, 283024), (98, 274360), (112, 240065), (133, 202160), (140, 192052), (152, 176890), (190, 141512), (196, 137180), (245, 109744), (266, 101080), (280, 96026), (304, 88445), (361, 74480), (380, 70756), (392, 68590), (490, 54872), (532, 50540), (560, 48013), (665, 40432), (722, 37240), (760, 35378), (784, 34295), (931, 28880), (980, 27436), (1064, 25270), (1330, 20216), (1444, 18620), (1520, 17689), (1805, 14896), (1862, 14440), (1960, 13718), (2128, 12635), (2527, 10640), (2660, 10108), (2888, 9310), (3610, 7448), (3724, 7220), (3920, 6859), (4655, 5776), (5054, 5320)]