65872380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 218405376

約数和(自身を除く): 152532996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 71, 84, 94, 105, 140, 141, 142, 188, 210, 213, 235, 282, 284, 329, 355, 420, 426, 470, 497, 564, 658, 705, 710, 852, 940, 987, 994, 1065, 1316, 1410, 1420, 1491, 1645, 1974, 1988, 2130, 2209, 2485, 2820, 2982, 3290, 3337, 3948, 4260, 4418, 4935, 4970, 5964, 6580, 6627, 6674, 7455, 8836, 9870, 9940, 10011, 11045, 13254, 13348, 14910, 15463, 16685, 19740, 20022, 22090, 23359, 26508, 29820, 30926, 33135, 33370, 40044, 44180, 46389, 46718, 50055, 61852, 66270, 66740, 70077, 77315, 92778, 93436, 100110, 116795, 132540, 140154, 154630, 156839, 185556, 200220, 231945, 233590, 280308, 309260, 313678, 350385, 463890, 467180, 470517, 627356, 700770, 784195, 927780, 941034, 1097873, 1401540, 1568390, 1882068, 2195746, 2352585, 3136780, 3293619, 4391492, 4705170, 5489365, 6587238, 9410340, 10978730, 13174476, 16468095, 21957460, 32936190, 65872380]

約数ペア:

[(1, 65872380), (2, 32936190), (3, 21957460), (4, 16468095), (5, 13174476), (6, 10978730), (7, 9410340), (10, 6587238), (12, 5489365), (14, 4705170), (15, 4391492), (20, 3293619), (21, 3136780), (28, 2352585), (30, 2195746), (35, 1882068), (42, 1568390), (47, 1401540), (60, 1097873), (70, 941034), (71, 927780), (84, 784195), (94, 700770), (105, 627356), (140, 470517), (141, 467180), (142, 463890), (188, 350385), (210, 313678), (213, 309260), (235, 280308), (282, 233590), (284, 231945), (329, 200220), (355, 185556), (420, 156839), (426, 154630), (470, 140154), (497, 132540), (564, 116795), (658, 100110), (705, 93436), (710, 92778), (852, 77315), (940, 70077), (987, 66740), (994, 66270), (1065, 61852), (1316, 50055), (1410, 46718), (1420, 46389), (1491, 44180), (1645, 40044), (1974, 33370), (1988, 33135), (2130, 30926), (2209, 29820), (2485, 26508), (2820, 23359), (2982, 22090), (3290, 20022), (3337, 19740), (3948, 16685), (4260, 15463), (4418, 14910), (4935, 13348), (4970, 13254), (5964, 11045), (6580, 10011), (6627, 9940), (6674, 9870), (7455, 8836)]