217770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 64

約数和(自身を含む): 642816

約数和(自身を除く): 425046

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 357, 366, 427, 510, 595, 610, 714, 854, 915, 1037, 1190, 1281, 1785, 1830, 2074, 2135, 2562, 3111, 3570, 4270, 5185, 6222, 6405, 7259, 10370, 12810, 14518, 15555, 21777, 31110, 36295, 43554, 72590, 108885, 217770]

約数ペア:

[(1, 217770), (2, 108885), (3, 72590), (5, 43554), (6, 36295), (7, 31110), (10, 21777), (14, 15555), (15, 14518), (17, 12810), (21, 10370), (30, 7259), (34, 6405), (35, 6222), (42, 5185), (51, 4270), (61, 3570), (70, 3111), (85, 2562), (102, 2135), (105, 2074), (119, 1830), (122, 1785), (170, 1281), (183, 1190), (210, 1037), (238, 915), (255, 854), (305, 714), (357, 610), (366, 595), (427, 510)]