12978630

素因数分解:

$2^1\times 3^5\times 5^1\times 7^2\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 41081040

約数和(自身を除く): 28102410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 109, 126, 135, 147, 162, 189, 210, 218, 243, 245, 270, 294, 315, 327, 378, 405, 441, 486, 490, 545, 567, 630, 654, 735, 763, 810, 882, 945, 981, 1090, 1134, 1215, 1323, 1470, 1526, 1635, 1701, 1890, 1962, 2205, 2289, 2430, 2646, 2835, 2943, 3270, 3402, 3815, 3969, 4410, 4578, 4905, 5341, 5670, 5886, 6615, 6867, 7630, 7938, 8505, 8829, 9810, 10682, 11445, 11907, 13230, 13734, 14715, 16023, 17010, 17658, 19845, 20601, 22890, 23814, 26487, 26705, 29430, 32046, 34335, 39690, 41202, 44145, 48069, 52974, 53410, 59535, 61803, 68670, 80115, 88290, 96138, 103005, 119070, 123606, 132435, 144207, 160230, 185409, 206010, 240345, 264870, 288414, 309015, 370818, 432621, 480690, 618030, 721035, 865242, 927045, 1297863, 1442070, 1854090, 2163105, 2595726, 4326210, 6489315, 12978630]

約数ペア:

[(1, 12978630), (2, 6489315), (3, 4326210), (5, 2595726), (6, 2163105), (7, 1854090), (9, 1442070), (10, 1297863), (14, 927045), (15, 865242), (18, 721035), (21, 618030), (27, 480690), (30, 432621), (35, 370818), (42, 309015), (45, 288414), (49, 264870), (54, 240345), (63, 206010), (70, 185409), (81, 160230), (90, 144207), (98, 132435), (105, 123606), (109, 119070), (126, 103005), (135, 96138), (147, 88290), (162, 80115), (189, 68670), (210, 61803), (218, 59535), (243, 53410), (245, 52974), (270, 48069), (294, 44145), (315, 41202), (327, 39690), (378, 34335), (405, 32046), (441, 29430), (486, 26705), (490, 26487), (545, 23814), (567, 22890), (630, 20601), (654, 19845), (735, 17658), (763, 17010), (810, 16023), (882, 14715), (945, 13734), (981, 13230), (1090, 11907), (1134, 11445), (1215, 10682), (1323, 9810), (1470, 8829), (1526, 8505), (1635, 7938), (1701, 7630), (1890, 6867), (1962, 6615), (2205, 5886), (2289, 5670), (2430, 5341), (2646, 4905), (2835, 4578), (2943, 4410), (3270, 3969), (3402, 3815)]