81081810

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 96

約数和(自身を含む): 222610752

約数和(自身を除く): 141528942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 243, 270, 305, 366, 405, 486, 547, 549, 610, 810, 915, 1094, 1098, 1215, 1641, 1647, 1830, 2430, 2735, 2745, 3282, 3294, 4923, 4941, 5470, 5490, 8205, 8235, 9846, 9882, 14769, 14823, 16410, 16470, 24615, 24705, 29538, 29646, 33367, 44307, 49230, 49410, 66734, 73845, 74115, 88614, 100101, 132921, 147690, 148230, 166835, 200202, 221535, 265842, 300303, 333670, 443070, 500505, 600606, 664605, 900909, 1001010, 1329210, 1501515, 1801818, 2702727, 3003030, 4504545, 5405454, 8108181, 9009090, 13513635, 16216362, 27027270, 40540905, 81081810]

約数ペア:

[(1, 81081810), (2, 40540905), (3, 27027270), (5, 16216362), (6, 13513635), (9, 9009090), (10, 8108181), (15, 5405454), (18, 4504545), (27, 3003030), (30, 2702727), (45, 1801818), (54, 1501515), (61, 1329210), (81, 1001010), (90, 900909), (122, 664605), (135, 600606), (162, 500505), (183, 443070), (243, 333670), (270, 300303), (305, 265842), (366, 221535), (405, 200202), (486, 166835), (547, 148230), (549, 147690), (610, 132921), (810, 100101), (915, 88614), (1094, 74115), (1098, 73845), (1215, 66734), (1641, 49410), (1647, 49230), (1830, 44307), (2430, 33367), (2735, 29646), (2745, 29538), (3282, 24705), (3294, 24615), (4923, 16470), (4941, 16410), (5470, 14823), (5490, 14769), (8205, 9882), (8235, 9846)]