209817180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{11317}}^1$

素因数の和:11435

約数の個数: 72

約数和(自身を含む): 642681312

約数和(自身を除く): 432864132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 11317, 18540, 22634, 33951, 45268, 56585, 67902, 101853, 113170, 135804, 169755, 203706, 226340, 339510, 407412, 509265, 679020, 1018530, 1165651, 2037060, 2331302, 3496953, 4662604, 5828255, 6993906, 10490859, 11656510, 13987812, 17484765, 20981718, 23313020, 34969530, 41963436, 52454295, 69939060, 104908590, 209817180]

約数ペア:

[(1, 209817180), (2, 104908590), (3, 69939060), (4, 52454295), (5, 41963436), (6, 34969530), (9, 23313020), (10, 20981718), (12, 17484765), (15, 13987812), (18, 11656510), (20, 10490859), (30, 6993906), (36, 5828255), (45, 4662604), (60, 3496953), (90, 2331302), (103, 2037060), (180, 1165651), (206, 1018530), (309, 679020), (412, 509265), (515, 407412), (618, 339510), (927, 226340), (1030, 203706), (1236, 169755), (1545, 135804), (1854, 113170), (2060, 101853), (3090, 67902), (3708, 56585), (4635, 45268), (6180, 33951), (9270, 22634), (11317, 18540)]