12706540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 34320384

約数和(自身を除く): 21613844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 223, 259, 308, 370, 385, 407, 446, 518, 740, 770, 814, 892, 1036, 1115, 1295, 1540, 1561, 1628, 2035, 2230, 2453, 2590, 2849, 3122, 4070, 4460, 4906, 5180, 5698, 6244, 7805, 8140, 8251, 9812, 11396, 12265, 14245, 15610, 16502, 17171, 24530, 28490, 31220, 33004, 34342, 41255, 49060, 56980, 57757, 68684, 82510, 85855, 90761, 115514, 165020, 171710, 181522, 231028, 288785, 343420, 363044, 453805, 577570, 635327, 907610, 1155140, 1270654, 1815220, 2541308, 3176635, 6353270, 12706540]

約数ペア:

[(1, 12706540), (2, 6353270), (4, 3176635), (5, 2541308), (7, 1815220), (10, 1270654), (11, 1155140), (14, 907610), (20, 635327), (22, 577570), (28, 453805), (35, 363044), (37, 343420), (44, 288785), (55, 231028), (70, 181522), (74, 171710), (77, 165020), (110, 115514), (140, 90761), (148, 85855), (154, 82510), (185, 68684), (220, 57757), (223, 56980), (259, 49060), (308, 41255), (370, 34342), (385, 33004), (407, 31220), (446, 28490), (518, 24530), (740, 17171), (770, 16502), (814, 15610), (892, 14245), (1036, 12265), (1115, 11396), (1295, 9812), (1540, 8251), (1561, 8140), (1628, 7805), (2035, 6244), (2230, 5698), (2453, 5180), (2590, 4906), (2849, 4460), (3122, 4070)]