221571840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{8243}}^1$

素因数の和:8274

約数の個数: 144

約数和(自身を含む): 808835328

約数和(自身を除く): 587263488

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, 8243, 8960, 13440, 16486, 24729, 26880, 32972, 41215, 49458, 57701, 65944, 82430, 98916, 115402, 123645, 131888, 164860, 173103, 197832, 230804, 247290, 263776, 288505, 329720, 346206, 395664, 461608, 494580, 527552, 577010, 659440, 692412, 791328, 865515, 923216, 989160, 1055104, 1154020, 1318880, 1384824, 1582656, 1731030, 1846432, 1978320, 2110208, 2308040, 2637760, 2769648, 3165312, 3462060, 3692864, 3956640, 4616080, 5275520, 5539296, 6330624, 6924120, 7385728, 7913280, 9232160, 10551040, 11078592, 13848240, 14771456, 15826560, 18464320, 22157184, 27696480, 31653120, 36928640, 44314368, 55392960, 73857280, 110785920, 221571840]

約数ペア:

[(1, 221571840), (2, 110785920), (3, 73857280), (4, 55392960), (5, 44314368), (6, 36928640), (7, 31653120), (8, 27696480), (10, 22157184), (12, 18464320), (14, 15826560), (15, 14771456), (16, 13848240), (20, 11078592), (21, 10551040), (24, 9232160), (28, 7913280), (30, 7385728), (32, 6924120), (35, 6330624), (40, 5539296), (42, 5275520), (48, 4616080), (56, 3956640), (60, 3692864), (64, 3462060), (70, 3165312), (80, 2769648), (84, 2637760), (96, 2308040), (105, 2110208), (112, 1978320), (120, 1846432), (128, 1731030), (140, 1582656), (160, 1384824), (168, 1318880), (192, 1154020), (210, 1055104), (224, 989160), (240, 923216), (256, 865515), (280, 791328), (320, 692412), (336, 659440), (384, 577010), (420, 527552), (448, 494580), (480, 461608), (560, 395664), (640, 346206), (672, 329720), (768, 288505), (840, 263776), (896, 247290), (960, 230804), (1120, 197832), (1280, 173103), (1344, 164860), (1680, 131888), (1792, 123645), (1920, 115402), (2240, 98916), (2688, 82430), (3360, 65944), (3840, 57701), (4480, 49458), (5376, 41215), (6720, 32972), (8243, 26880), (8960, 24729), (13440, 16486)]