64035440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2850

約数の個数: 80

約数和(自身を含む): 174363840

約数和(自身を除く): 110328400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2789, 2870, 3280, 4592, 5578, 5740, 11156, 11480, 13945, 19523, 22312, 22960, 27890, 39046, 44624, 55780, 78092, 97615, 111560, 114349, 156184, 195230, 223120, 228698, 312368, 390460, 457396, 571745, 780920, 800443, 914792, 1143490, 1561840, 1600886, 1829584, 2286980, 3201772, 4002215, 4573960, 6403544, 8004430, 9147920, 12807088, 16008860, 32017720, 64035440]

約数ペア:

[(1, 64035440), (2, 32017720), (4, 16008860), (5, 12807088), (7, 9147920), (8, 8004430), (10, 6403544), (14, 4573960), (16, 4002215), (20, 3201772), (28, 2286980), (35, 1829584), (40, 1600886), (41, 1561840), (56, 1143490), (70, 914792), (80, 800443), (82, 780920), (112, 571745), (140, 457396), (164, 390460), (205, 312368), (280, 228698), (287, 223120), (328, 195230), (410, 156184), (560, 114349), (574, 111560), (656, 97615), (820, 78092), (1148, 55780), (1435, 44624), (1640, 39046), (2296, 27890), (2789, 22960), (2870, 22312), (3280, 19523), (4592, 13945), (5578, 11480), (5740, 11156)]