12705210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 39907296

約数和(自身を除く): 27202086

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 49, 63, 67, 70, 86, 90, 98, 105, 126, 129, 134, 147, 201, 210, 215, 245, 258, 294, 301, 315, 335, 387, 402, 430, 441, 469, 490, 602, 603, 630, 645, 670, 735, 774, 882, 903, 938, 1005, 1206, 1290, 1407, 1470, 1505, 1806, 1935, 2010, 2107, 2205, 2345, 2709, 2814, 2881, 3010, 3015, 3283, 3870, 4214, 4221, 4410, 4515, 4690, 5418, 5762, 6030, 6321, 6566, 7035, 8442, 8643, 9030, 9849, 10535, 12642, 13545, 14070, 14405, 16415, 17286, 18963, 19698, 20167, 21070, 21105, 25929, 27090, 28810, 29547, 31605, 32830, 37926, 40334, 42210, 43215, 49245, 51858, 59094, 60501, 63210, 86430, 94815, 98490, 100835, 121002, 129645, 141169, 147735, 181503, 189630, 201670, 259290, 282338, 295470, 302505, 363006, 423507, 605010, 705845, 847014, 907515, 1270521, 1411690, 1815030, 2117535, 2541042, 4235070, 6352605, 12705210]

約数ペア:

[(1, 12705210), (2, 6352605), (3, 4235070), (5, 2541042), (6, 2117535), (7, 1815030), (9, 1411690), (10, 1270521), (14, 907515), (15, 847014), (18, 705845), (21, 605010), (30, 423507), (35, 363006), (42, 302505), (43, 295470), (45, 282338), (49, 259290), (63, 201670), (67, 189630), (70, 181503), (86, 147735), (90, 141169), (98, 129645), (105, 121002), (126, 100835), (129, 98490), (134, 94815), (147, 86430), (201, 63210), (210, 60501), (215, 59094), (245, 51858), (258, 49245), (294, 43215), (301, 42210), (315, 40334), (335, 37926), (387, 32830), (402, 31605), (430, 29547), (441, 28810), (469, 27090), (490, 25929), (602, 21105), (603, 21070), (630, 20167), (645, 19698), (670, 18963), (735, 17286), (774, 16415), (882, 14405), (903, 14070), (938, 13545), (1005, 12642), (1206, 10535), (1290, 9849), (1407, 9030), (1470, 8643), (1505, 8442), (1806, 7035), (1935, 6566), (2010, 6321), (2107, 6030), (2205, 5762), (2345, 5418), (2709, 4690), (2814, 4515), (2881, 4410), (3010, 4221), (3015, 4214), (3283, 3870)]