218991360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{8147}}^1$

素因数の和:8178

約数の個数: 144

約数和(自身を含む): 799416576

約数和(自身を除く): 580425216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8147, 8960, 13440, 16294, 24441, 26880, 32588, 40735, 48882, 57029, 65176, 81470, 97764, 114058, 122205, 130352, 162940, 171087, 195528, 228116, 244410, 260704, 285145, 325880, 342174, 391056, 456232, 488820, 521408, 570290, 651760, 684348, 782112, 855435, 912464, 977640, 1042816, 1140580, 1303520, 1368696, 1564224, 1710870, 1824928, 1955280, 2085632, 2281160, 2607040, 2737392, 3128448, 3421740, 3649856, 3910560, 4562320, 5214080, 5474784, 6256896, 6843480, 7299712, 7821120, 9124640, 10428160, 10949568, 13686960, 14599424, 15642240, 18249280, 21899136, 27373920, 31284480, 36498560, 43798272, 54747840, 72997120, 109495680, 218991360]

約数ペア:

[(1, 218991360), (2, 109495680), (3, 72997120), (4, 54747840), (5, 43798272), (6, 36498560), (7, 31284480), (8, 27373920), (10, 21899136), (12, 18249280), (14, 15642240), (15, 14599424), (16, 13686960), (20, 10949568), (21, 10428160), (24, 9124640), (28, 7821120), (30, 7299712), (32, 6843480), (35, 6256896), (40, 5474784), (42, 5214080), (48, 4562320), (56, 3910560), (60, 3649856), (64, 3421740), (70, 3128448), (80, 2737392), (84, 2607040), (96, 2281160), (105, 2085632), (112, 1955280), (120, 1824928), (128, 1710870), (140, 1564224), (160, 1368696), (168, 1303520), (192, 1140580), (210, 1042816), (224, 977640), (240, 912464), (256, 855435), (280, 782112), (320, 684348), (336, 651760), (384, 570290), (420, 521408), (448, 488820), (480, 456232), (560, 391056), (640, 342174), (672, 325880), (768, 285145), (840, 260704), (896, 244410), (960, 228116), (1120, 195528), (1280, 171087), (1344, 162940), (1680, 130352), (1792, 122205), (1920, 114058), (2240, 97764), (2688, 81470), (3360, 65176), (3840, 57029), (4480, 48882), (5376, 40735), (6720, 32588), (8147, 26880), (8960, 24441), (13440, 16294)]