220657920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{8209}}^1$

素因数の和:8240

約数の個数: 144

約数和(自身を含む): 805499520

約数和(自身を除く): 584841600

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, 8209, 8960, 13440, 16418, 24627, 26880, 32836, 41045, 49254, 57463, 65672, 82090, 98508, 114926, 123135, 131344, 164180, 172389, 197016, 229852, 246270, 262688, 287315, 328360, 344778, 394032, 459704, 492540, 525376, 574630, 656720, 689556, 788064, 861945, 919408, 985080, 1050752, 1149260, 1313440, 1379112, 1576128, 1723890, 1838816, 1970160, 2101504, 2298520, 2626880, 2758224, 3152256, 3447780, 3677632, 3940320, 4597040, 5253760, 5516448, 6304512, 6895560, 7355264, 7880640, 9194080, 10507520, 11032896, 13791120, 14710528, 15761280, 18388160, 22065792, 27582240, 31522560, 36776320, 44131584, 55164480, 73552640, 110328960, 220657920]

約数ペア:

[(1, 220657920), (2, 110328960), (3, 73552640), (4, 55164480), (5, 44131584), (6, 36776320), (7, 31522560), (8, 27582240), (10, 22065792), (12, 18388160), (14, 15761280), (15, 14710528), (16, 13791120), (20, 11032896), (21, 10507520), (24, 9194080), (28, 7880640), (30, 7355264), (32, 6895560), (35, 6304512), (40, 5516448), (42, 5253760), (48, 4597040), (56, 3940320), (60, 3677632), (64, 3447780), (70, 3152256), (80, 2758224), (84, 2626880), (96, 2298520), (105, 2101504), (112, 1970160), (120, 1838816), (128, 1723890), (140, 1576128), (160, 1379112), (168, 1313440), (192, 1149260), (210, 1050752), (224, 985080), (240, 919408), (256, 861945), (280, 788064), (320, 689556), (336, 656720), (384, 574630), (420, 525376), (448, 492540), (480, 459704), (560, 394032), (640, 344778), (672, 328360), (768, 287315), (840, 262688), (896, 246270), (960, 229852), (1120, 197016), (1280, 172389), (1344, 164180), (1680, 131344), (1792, 123135), (1920, 114926), (2240, 98508), (2688, 82090), (3360, 65672), (3840, 57463), (4480, 49254), (5376, 41045), (6720, 32836), (8209, 26880), (8960, 24627), (13440, 16418)]