221504640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{16481}}^1$

素因数の和:16510

約数の個数: 128

約数和(自身を含む): 806958720

約数和(自身を除く): 585454080

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 16481, 32962, 49443, 65924, 82405, 98886, 115367, 131848, 164810, 197772, 230734, 247215, 263696, 329620, 346101, 395544, 461468, 494430, 527392, 576835, 659240, 692202, 791088, 922936, 988860, 1054784, 1153670, 1318480, 1384404, 1582176, 1730505, 1845872, 1977720, 2109568, 2307340, 2636960, 2768808, 3164352, 3461010, 3691744, 3955440, 4614680, 5273920, 5537616, 6328704, 6922020, 7383488, 7910880, 9229360, 10547840, 11075232, 13844040, 14766976, 15821760, 18458720, 22150464, 27688080, 31643520, 36917440, 44300928, 55376160, 73834880, 110752320, 221504640]

約数ペア:

[(1, 221504640), (2, 110752320), (3, 73834880), (4, 55376160), (5, 44300928), (6, 36917440), (7, 31643520), (8, 27688080), (10, 22150464), (12, 18458720), (14, 15821760), (15, 14766976), (16, 13844040), (20, 11075232), (21, 10547840), (24, 9229360), (28, 7910880), (30, 7383488), (32, 6922020), (35, 6328704), (40, 5537616), (42, 5273920), (48, 4614680), (56, 3955440), (60, 3691744), (64, 3461010), (70, 3164352), (80, 2768808), (84, 2636960), (96, 2307340), (105, 2109568), (112, 1977720), (120, 1845872), (128, 1730505), (140, 1582176), (160, 1384404), (168, 1318480), (192, 1153670), (210, 1054784), (224, 988860), (240, 922936), (280, 791088), (320, 692202), (336, 659240), (384, 576835), (420, 527392), (448, 494430), (480, 461468), (560, 395544), (640, 346101), (672, 329620), (840, 263696), (896, 247215), (960, 230734), (1120, 197772), (1344, 164810), (1680, 131848), (1920, 115367), (2240, 98886), (2688, 82405), (3360, 65924), (4480, 49443), (6720, 32962), (13440, 16481)]