20172586280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{47119}}^1$

素因数の和:47287

約数の個数: 128

約数和(自身を含む): 56996352000

約数和(自身を除く): 36823765720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 220, 278, 280, 308, 385, 440, 556, 616, 695, 770, 973, 1112, 1390, 1529, 1540, 1946, 2780, 3058, 3080, 3892, 4865, 5560, 6116, 7645, 7784, 9730, 10703, 12232, 15290, 19460, 21406, 30580, 38920, 42812, 47119, 53515, 61160, 85624, 94238, 107030, 188476, 214060, 235595, 329833, 376952, 428120, 471190, 518309, 659666, 942380, 1036618, 1319332, 1649165, 1884760, 2073236, 2591545, 2638664, 3298330, 3628163, 4146472, 5183090, 6549541, 6596660, 7256326, 10366180, 13099082, 13193320, 14512652, 18140815, 20732360, 26198164, 29025304, 32747705, 36281630, 45846787, 52396328, 65495410, 72044951, 72563260, 91693574, 130990820, 144089902, 145126520, 183387148, 229233935, 261981640, 288179804, 360224755, 366774296, 458467870, 504314657, 576359608, 720449510, 916935740, 1008629314, 1440899020, 1833871480, 2017258628, 2521573285, 2881798040, 4034517256, 5043146570, 10086293140, 20172586280]

約数ペア:

[(1, 20172586280), (2, 10086293140), (4, 5043146570), (5, 4034517256), (7, 2881798040), (8, 2521573285), (10, 2017258628), (11, 1833871480), (14, 1440899020), (20, 1008629314), (22, 916935740), (28, 720449510), (35, 576359608), (40, 504314657), (44, 458467870), (55, 366774296), (56, 360224755), (70, 288179804), (77, 261981640), (88, 229233935), (110, 183387148), (139, 145126520), (140, 144089902), (154, 130990820), (220, 91693574), (278, 72563260), (280, 72044951), (308, 65495410), (385, 52396328), (440, 45846787), (556, 36281630), (616, 32747705), (695, 29025304), (770, 26198164), (973, 20732360), (1112, 18140815), (1390, 14512652), (1529, 13193320), (1540, 13099082), (1946, 10366180), (2780, 7256326), (3058, 6596660), (3080, 6549541), (3892, 5183090), (4865, 4146472), (5560, 3628163), (6116, 3298330), (7645, 2638664), (7784, 2591545), (9730, 2073236), (10703, 1884760), (12232, 1649165), (15290, 1319332), (19460, 1036618), (21406, 942380), (30580, 659666), (38920, 518309), (42812, 471190), (47119, 428120), (53515, 376952), (61160, 329833), (85624, 235595), (94238, 214060), (107030, 188476)]