164327680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1061}}^1$

素因数の和:1104

約数の個数: 108

約数和(自身を含む): 433060236

約数和(自身を除く): 268732556

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1061, 1210, 1280, 1408, 1760, 1936, 2122, 2420, 2816, 3520, 3872, 4244, 4840, 5305, 7040, 7744, 8488, 9680, 10610, 11671, 14080, 15488, 16976, 19360, 21220, 23342, 30976, 33952, 38720, 42440, 46684, 58355, 67904, 77440, 84880, 93368, 116710, 128381, 135808, 154880, 169760, 186736, 233420, 256762, 271616, 339520, 373472, 466840, 513524, 641905, 679040, 746944, 933680, 1027048, 1283810, 1358080, 1493888, 1867360, 2054096, 2567620, 2987776, 3734720, 4108192, 5135240, 7469440, 8216384, 10270480, 14938880, 16432768, 20540960, 32865536, 41081920, 82163840, 164327680]

約数ペア:

[(1, 164327680), (2, 82163840), (4, 41081920), (5, 32865536), (8, 20540960), (10, 16432768), (11, 14938880), (16, 10270480), (20, 8216384), (22, 7469440), (32, 5135240), (40, 4108192), (44, 3734720), (55, 2987776), (64, 2567620), (80, 2054096), (88, 1867360), (110, 1493888), (121, 1358080), (128, 1283810), (160, 1027048), (176, 933680), (220, 746944), (242, 679040), (256, 641905), (320, 513524), (352, 466840), (440, 373472), (484, 339520), (605, 271616), (640, 256762), (704, 233420), (880, 186736), (968, 169760), (1061, 154880), (1210, 135808), (1280, 128381), (1408, 116710), (1760, 93368), (1936, 84880), (2122, 77440), (2420, 67904), (2816, 58355), (3520, 46684), (3872, 42440), (4244, 38720), (4840, 33952), (5305, 30976), (7040, 23342), (7744, 21220), (8488, 19360), (9680, 16976), (10610, 15488), (11671, 14080)]