205466940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{911}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 717050880

約数和(自身を除く): 511583940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 252, 315, 358, 420, 537, 630, 716, 895, 911, 1074, 1253, 1260, 1611, 1790, 1822, 2148, 2506, 2685, 2733, 3222, 3580, 3644, 3759, 4555, 5012, 5370, 5466, 6265, 6377, 6444, 7518, 8055, 8199, 9110, 10740, 10932, 11277, 12530, 12754, 13665, 15036, 16110, 16398, 18220, 18795, 19131, 22554, 25060, 25508, 27330, 31885, 32220, 32796, 37590, 38262, 40995, 45108, 54660, 56385, 57393, 63770, 75180, 76524, 81990, 95655, 112770, 114786, 127540, 163069, 163980, 191310, 225540, 229572, 286965, 326138, 382620, 489207, 573930, 652276, 815345, 978414, 1141483, 1147860, 1467621, 1630690, 1956828, 2282966, 2446035, 2935242, 3261380, 3424449, 4565932, 4892070, 5707415, 5870484, 6848898, 7338105, 9784140, 10273347, 11414830, 13697796, 14676210, 17122245, 20546694, 22829660, 29352420, 34244490, 41093388, 51366735, 68488980, 102733470, 205466940]

約数ペア:

[(1, 205466940), (2, 102733470), (3, 68488980), (4, 51366735), (5, 41093388), (6, 34244490), (7, 29352420), (9, 22829660), (10, 20546694), (12, 17122245), (14, 14676210), (15, 13697796), (18, 11414830), (20, 10273347), (21, 9784140), (28, 7338105), (30, 6848898), (35, 5870484), (36, 5707415), (42, 4892070), (45, 4565932), (60, 3424449), (63, 3261380), (70, 2935242), (84, 2446035), (90, 2282966), (105, 1956828), (126, 1630690), (140, 1467621), (179, 1147860), (180, 1141483), (210, 978414), (252, 815345), (315, 652276), (358, 573930), (420, 489207), (537, 382620), (630, 326138), (716, 286965), (895, 229572), (911, 225540), (1074, 191310), (1253, 163980), (1260, 163069), (1611, 127540), (1790, 114786), (1822, 112770), (2148, 95655), (2506, 81990), (2685, 76524), (2733, 75180), (3222, 63770), (3580, 57393), (3644, 56385), (3759, 54660), (4555, 45108), (5012, 40995), (5370, 38262), (5466, 37590), (6265, 32796), (6377, 32220), (6444, 31885), (7518, 27330), (8055, 25508), (8199, 25060), (9110, 22554), (10740, 19131), (10932, 18795), (11277, 18220), (12530, 16398), (12754, 16110), (13665, 15036)]