1243890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 3525120

約数和(自身を除く): 2281230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 271, 306, 459, 510, 542, 765, 813, 918, 1355, 1530, 1626, 2295, 2439, 2710, 4065, 4590, 4607, 4878, 7317, 8130, 9214, 12195, 13821, 14634, 23035, 24390, 27642, 36585, 41463, 46070, 69105, 73170, 82926, 124389, 138210, 207315, 248778, 414630, 621945, 1243890]

約数ペア:

[(1, 1243890), (2, 621945), (3, 414630), (5, 248778), (6, 207315), (9, 138210), (10, 124389), (15, 82926), (17, 73170), (18, 69105), (27, 46070), (30, 41463), (34, 36585), (45, 27642), (51, 24390), (54, 23035), (85, 14634), (90, 13821), (102, 12195), (135, 9214), (153, 8130), (170, 7317), (255, 4878), (270, 4607), (271, 4590), (306, 4065), (459, 2710), (510, 2439), (542, 2295), (765, 1626), (813, 1530), (918, 1355)]