27221460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 91010304

約数和(自身を除く): 63788844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 197, 210, 235, 245, 282, 294, 329, 394, 420, 470, 490, 564, 588, 591, 658, 705, 735, 788, 940, 980, 985, 987, 1182, 1316, 1379, 1410, 1470, 1645, 1970, 1974, 2303, 2364, 2758, 2820, 2940, 2955, 3290, 3940, 3948, 4137, 4606, 4935, 5516, 5910, 6580, 6895, 6909, 8274, 9212, 9259, 9653, 9870, 11515, 11820, 13790, 13818, 16548, 18518, 19306, 19740, 20685, 23030, 27580, 27636, 27777, 28959, 34545, 37036, 38612, 41370, 46060, 46295, 48265, 55554, 57918, 64813, 69090, 82740, 92590, 96530, 111108, 115836, 129626, 138180, 138885, 144795, 185180, 193060, 194439, 259252, 277770, 289590, 324065, 388878, 453691, 555540, 579180, 648130, 777756, 907382, 972195, 1296260, 1361073, 1814764, 1944390, 2268455, 2722146, 3888780, 4536910, 5444292, 6805365, 9073820, 13610730, 27221460]

約数ペア:

[(1, 27221460), (2, 13610730), (3, 9073820), (4, 6805365), (5, 5444292), (6, 4536910), (7, 3888780), (10, 2722146), (12, 2268455), (14, 1944390), (15, 1814764), (20, 1361073), (21, 1296260), (28, 972195), (30, 907382), (35, 777756), (42, 648130), (47, 579180), (49, 555540), (60, 453691), (70, 388878), (84, 324065), (94, 289590), (98, 277770), (105, 259252), (140, 194439), (141, 193060), (147, 185180), (188, 144795), (196, 138885), (197, 138180), (210, 129626), (235, 115836), (245, 111108), (282, 96530), (294, 92590), (329, 82740), (394, 69090), (420, 64813), (470, 57918), (490, 55554), (564, 48265), (588, 46295), (591, 46060), (658, 41370), (705, 38612), (735, 37036), (788, 34545), (940, 28959), (980, 27777), (985, 27636), (987, 27580), (1182, 23030), (1316, 20685), (1379, 19740), (1410, 19306), (1470, 18518), (1645, 16548), (1970, 13818), (1974, 13790), (2303, 11820), (2364, 11515), (2758, 9870), (2820, 9653), (2940, 9259), (2955, 9212), (3290, 8274), (3940, 6909), (3948, 6895), (4137, 6580), (4606, 5910), (4935, 5516)]