161819784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 516072960

約数和(自身を除く): 354253176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 56, 63, 72, 82, 84, 123, 126, 164, 168, 191, 246, 252, 287, 328, 369, 382, 492, 504, 573, 574, 738, 764, 861, 984, 1146, 1148, 1337, 1476, 1528, 1681, 1719, 1722, 2292, 2296, 2583, 2674, 2952, 3362, 3438, 3444, 4011, 4584, 5043, 5166, 5348, 6724, 6876, 6888, 7831, 8022, 10086, 10332, 10696, 11767, 12033, 13448, 13752, 15129, 15662, 16044, 20172, 20664, 23493, 23534, 24066, 30258, 31324, 32088, 35301, 40344, 46986, 47068, 48132, 54817, 60516, 62648, 70479, 70602, 93972, 94136, 96264, 105903, 109634, 121032, 140958, 141204, 164451, 187944, 211806, 219268, 281916, 282408, 321071, 328902, 423612, 438536, 493353, 563832, 642142, 657804, 847224, 963213, 986706, 1284284, 1315608, 1926426, 1973412, 2247497, 2568568, 2889639, 3852852, 3946824, 4494994, 5779278, 6742491, 7705704, 8989988, 11558556, 13484982, 17979976, 20227473, 23117112, 26969964, 40454946, 53939928, 80909892, 161819784]

約数ペア:

[(1, 161819784), (2, 80909892), (3, 53939928), (4, 40454946), (6, 26969964), (7, 23117112), (8, 20227473), (9, 17979976), (12, 13484982), (14, 11558556), (18, 8989988), (21, 7705704), (24, 6742491), (28, 5779278), (36, 4494994), (41, 3946824), (42, 3852852), (56, 2889639), (63, 2568568), (72, 2247497), (82, 1973412), (84, 1926426), (123, 1315608), (126, 1284284), (164, 986706), (168, 963213), (191, 847224), (246, 657804), (252, 642142), (287, 563832), (328, 493353), (369, 438536), (382, 423612), (492, 328902), (504, 321071), (573, 282408), (574, 281916), (738, 219268), (764, 211806), (861, 187944), (984, 164451), (1146, 141204), (1148, 140958), (1337, 121032), (1476, 109634), (1528, 105903), (1681, 96264), (1719, 94136), (1722, 93972), (2292, 70602), (2296, 70479), (2583, 62648), (2674, 60516), (2952, 54817), (3362, 48132), (3438, 47068), (3444, 46986), (4011, 40344), (4584, 35301), (5043, 32088), (5166, 31324), (5348, 30258), (6724, 24066), (6876, 23534), (6888, 23493), (7831, 20664), (8022, 20172), (10086, 16044), (10332, 15662), (10696, 15129), (11767, 13752), (12033, 13448)]