261369360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51859}}^1$

素因数の和:51885

約数の個数: 120

約数和(自身を含む): 1003179840

約数和(自身を除く): 741810480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51859, 103718, 155577, 207436, 259295, 311154, 363013, 414872, 466731, 518590, 622308, 726026, 777885, 829744, 933462, 1037180, 1089039, 1244616, 1452052, 1555770, 1815065, 1866924, 2074360, 2178078, 2333655, 2489232, 2904104, 3111540, 3267117, 3630130, 3733848, 4148720, 4356156, 4667310, 5445195, 5808208, 6223080, 6534234, 7260260, 7467696, 8712312, 9334620, 10890390, 12446160, 13068468, 14520520, 16335585, 17424624, 18669240, 21780780, 26136936, 29041040, 32671170, 37338480, 43561560, 52273872, 65342340, 87123120, 130684680, 261369360]

約数ペア:

[(1, 261369360), (2, 130684680), (3, 87123120), (4, 65342340), (5, 52273872), (6, 43561560), (7, 37338480), (8, 32671170), (9, 29041040), (10, 26136936), (12, 21780780), (14, 18669240), (15, 17424624), (16, 16335585), (18, 14520520), (20, 13068468), (21, 12446160), (24, 10890390), (28, 9334620), (30, 8712312), (35, 7467696), (36, 7260260), (40, 6534234), (42, 6223080), (45, 5808208), (48, 5445195), (56, 4667310), (60, 4356156), (63, 4148720), (70, 3733848), (72, 3630130), (80, 3267117), (84, 3111540), (90, 2904104), (105, 2489232), (112, 2333655), (120, 2178078), (126, 2074360), (140, 1866924), (144, 1815065), (168, 1555770), (180, 1452052), (210, 1244616), (240, 1089039), (252, 1037180), (280, 933462), (315, 829744), (336, 777885), (360, 726026), (420, 622308), (504, 518590), (560, 466731), (630, 414872), (720, 363013), (840, 311154), (1008, 259295), (1260, 207436), (1680, 155577), (2520, 103718), (5040, 51859)]