855175440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{72719}}^1$

素因数の和:72749

約数の個数: 120

約数和(自身を含む): 3083909760

約数和(自身を除く): 2228734320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 72719, 145438, 218157, 290876, 363595, 436314, 509033, 581752, 727190, 872628, 1018066, 1090785, 1163504, 1454380, 1527099, 1745256, 2036132, 2181570, 2545165, 2908760, 3054198, 3490512, 3563231, 4072264, 4363140, 5090330, 5817520, 6108396, 7126462, 7635495, 8144528, 8726280, 10180660, 10689693, 12216792, 14252924, 15270990, 17452560, 17816155, 20361320, 21379386, 24433584, 28505848, 30541980, 35632310, 40722640, 42758772, 53448465, 57011696, 61083960, 71264620, 85517544, 106896930, 122167920, 142529240, 171035088, 213793860, 285058480, 427587720, 855175440]

約数ペア:

[(1, 855175440), (2, 427587720), (3, 285058480), (4, 213793860), (5, 171035088), (6, 142529240), (7, 122167920), (8, 106896930), (10, 85517544), (12, 71264620), (14, 61083960), (15, 57011696), (16, 53448465), (20, 42758772), (21, 40722640), (24, 35632310), (28, 30541980), (30, 28505848), (35, 24433584), (40, 21379386), (42, 20361320), (48, 17816155), (49, 17452560), (56, 15270990), (60, 14252924), (70, 12216792), (80, 10689693), (84, 10180660), (98, 8726280), (105, 8144528), (112, 7635495), (120, 7126462), (140, 6108396), (147, 5817520), (168, 5090330), (196, 4363140), (210, 4072264), (240, 3563231), (245, 3490512), (280, 3054198), (294, 2908760), (336, 2545165), (392, 2181570), (420, 2036132), (490, 1745256), (560, 1527099), (588, 1454380), (735, 1163504), (784, 1090785), (840, 1018066), (980, 872628), (1176, 727190), (1470, 581752), (1680, 509033), (1960, 436314), (2352, 363595), (2940, 290876), (3920, 218157), (5880, 145438), (11760, 72719)]