221502720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1620

約数の個数: 144

約数和(自身を含む): 727009920

約数和(自身を除く): 505507200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 768, 888, 960, 1110, 1184, 1280, 1480, 1559, 1776, 1920, 2220, 2368, 2960, 3118, 3552, 3840, 4440, 4677, 4736, 5920, 6236, 7104, 7795, 8880, 9354, 9472, 11840, 12472, 14208, 15590, 17760, 18708, 23385, 23680, 24944, 28416, 31180, 35520, 37416, 46770, 47360, 49888, 57683, 62360, 71040, 74832, 93540, 99776, 115366, 124720, 142080, 149664, 173049, 187080, 199552, 230732, 249440, 288415, 299328, 346098, 374160, 399104, 461464, 498880, 576830, 598656, 692196, 748320, 865245, 922928, 997760, 1153660, 1197312, 1384392, 1496640, 1730490, 1845856, 1995520, 2307320, 2768784, 2993280, 3460980, 3691712, 4614640, 5537568, 5986560, 6921960, 7383424, 9229280, 11075136, 13843920, 14766848, 18458560, 22150272, 27687840, 36917120, 44300544, 55375680, 73834240, 110751360, 221502720]

約数ペア:

[(1, 221502720), (2, 110751360), (3, 73834240), (4, 55375680), (5, 44300544), (6, 36917120), (8, 27687840), (10, 22150272), (12, 18458560), (15, 14766848), (16, 13843920), (20, 11075136), (24, 9229280), (30, 7383424), (32, 6921960), (37, 5986560), (40, 5537568), (48, 4614640), (60, 3691712), (64, 3460980), (74, 2993280), (80, 2768784), (96, 2307320), (111, 1995520), (120, 1845856), (128, 1730490), (148, 1496640), (160, 1384392), (185, 1197312), (192, 1153660), (222, 997760), (240, 922928), (256, 865245), (296, 748320), (320, 692196), (370, 598656), (384, 576830), (444, 498880), (480, 461464), (555, 399104), (592, 374160), (640, 346098), (740, 299328), (768, 288415), (888, 249440), (960, 230732), (1110, 199552), (1184, 187080), (1280, 173049), (1480, 149664), (1559, 142080), (1776, 124720), (1920, 115366), (2220, 99776), (2368, 93540), (2960, 74832), (3118, 71040), (3552, 62360), (3840, 57683), (4440, 49888), (4677, 47360), (4736, 46770), (5920, 37416), (6236, 35520), (7104, 31180), (7795, 28416), (8880, 24944), (9354, 23680), (9472, 23385), (11840, 18708), (12472, 17760), (14208, 15590)]