221450880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{16477}}^1$

素因数の和:16506

約数の個数: 128

約数和(自身を含む): 806762880

約数和(自身を除く): 585312000

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, 16477, 32954, 49431, 65908, 82385, 98862, 115339, 131816, 164770, 197724, 230678, 247155, 263632, 329540, 346017, 395448, 461356, 494310, 527264, 576695, 659080, 692034, 790896, 922712, 988620, 1054528, 1153390, 1318160, 1384068, 1581792, 1730085, 1845424, 1977240, 2109056, 2306780, 2636320, 2768136, 3163584, 3460170, 3690848, 3954480, 4613560, 5272640, 5536272, 6327168, 6920340, 7381696, 7908960, 9227120, 10545280, 11072544, 13840680, 14763392, 15817920, 18454240, 22145088, 27681360, 31635840, 36908480, 44290176, 55362720, 73816960, 110725440, 221450880]

約数ペア:

[(1, 221450880), (2, 110725440), (3, 73816960), (4, 55362720), (5, 44290176), (6, 36908480), (7, 31635840), (8, 27681360), (10, 22145088), (12, 18454240), (14, 15817920), (15, 14763392), (16, 13840680), (20, 11072544), (21, 10545280), (24, 9227120), (28, 7908960), (30, 7381696), (32, 6920340), (35, 6327168), (40, 5536272), (42, 5272640), (48, 4613560), (56, 3954480), (60, 3690848), (64, 3460170), (70, 3163584), (80, 2768136), (84, 2636320), (96, 2306780), (105, 2109056), (112, 1977240), (120, 1845424), (128, 1730085), (140, 1581792), (160, 1384068), (168, 1318160), (192, 1153390), (210, 1054528), (224, 988620), (240, 922712), (280, 790896), (320, 692034), (336, 659080), (384, 576695), (420, 527264), (448, 494310), (480, 461356), (560, 395448), (640, 346017), (672, 329540), (840, 263632), (896, 247155), (960, 230678), (1120, 197724), (1344, 164770), (1680, 131816), (1920, 115339), (2240, 98862), (2688, 82385), (3360, 65908), (4480, 49431), (6720, 32954), (13440, 16477)]