157581816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 468840960

約数和(自身を除く): 311259144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 101, 111, 148, 168, 202, 222, 251, 259, 296, 303, 404, 444, 502, 518, 606, 707, 753, 777, 808, 888, 1004, 1036, 1212, 1414, 1506, 1554, 1757, 2008, 2072, 2121, 2424, 2828, 3012, 3108, 3514, 3737, 4242, 5271, 5656, 6024, 6216, 7028, 7474, 8484, 9287, 10542, 11211, 14056, 14948, 16968, 18574, 21084, 22422, 25351, 26159, 27861, 29896, 37148, 42168, 44844, 50702, 52318, 55722, 65009, 74296, 76053, 78477, 89688, 101404, 104636, 111444, 130018, 152106, 156954, 177457, 195027, 202808, 209272, 222888, 260036, 304212, 313908, 354914, 390054, 520072, 532371, 608424, 627816, 709828, 780108, 937987, 1064742, 1419656, 1560216, 1875974, 2129484, 2813961, 3751948, 4258968, 5627922, 6565909, 7503896, 11255844, 13131818, 19697727, 22511688, 26263636, 39395454, 52527272, 78790908, 157581816]

約数ペア:

[(1, 157581816), (2, 78790908), (3, 52527272), (4, 39395454), (6, 26263636), (7, 22511688), (8, 19697727), (12, 13131818), (14, 11255844), (21, 7503896), (24, 6565909), (28, 5627922), (37, 4258968), (42, 3751948), (56, 2813961), (74, 2129484), (84, 1875974), (101, 1560216), (111, 1419656), (148, 1064742), (168, 937987), (202, 780108), (222, 709828), (251, 627816), (259, 608424), (296, 532371), (303, 520072), (404, 390054), (444, 354914), (502, 313908), (518, 304212), (606, 260036), (707, 222888), (753, 209272), (777, 202808), (808, 195027), (888, 177457), (1004, 156954), (1036, 152106), (1212, 130018), (1414, 111444), (1506, 104636), (1554, 101404), (1757, 89688), (2008, 78477), (2072, 76053), (2121, 74296), (2424, 65009), (2828, 55722), (3012, 52318), (3108, 50702), (3514, 44844), (3737, 42168), (4242, 37148), (5271, 29896), (5656, 27861), (6024, 26159), (6216, 25351), (7028, 22422), (7474, 21084), (8484, 18574), (9287, 16968), (10542, 14948), (11211, 14056)]