161918208

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2320

約数の個数: 108

約数和(自身を含む): 482122368

約数和(自身を除く): 320204160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2267, 2304, 2976, 3968, 4464, 4534, 5952, 6801, 7936, 8928, 9068, 11904, 13602, 17856, 18136, 20403, 23808, 27204, 35712, 36272, 40806, 54408, 70277, 71424, 72544, 81612, 108816, 140554, 145088, 163224, 210831, 217632, 281108, 290176, 326448, 421662, 435264, 562216, 580352, 632493, 652896, 843324, 870528, 1124432, 1264986, 1305792, 1686648, 1741056, 2248864, 2529972, 2611584, 3373296, 4497728, 5059944, 5223168, 6746592, 8995456, 10119888, 13493184, 17990912, 20239776, 26986368, 40479552, 53972736, 80959104, 161918208]

約数ペア:

[(1, 161918208), (2, 80959104), (3, 53972736), (4, 40479552), (6, 26986368), (8, 20239776), (9, 17990912), (12, 13493184), (16, 10119888), (18, 8995456), (24, 6746592), (31, 5223168), (32, 5059944), (36, 4497728), (48, 3373296), (62, 2611584), (64, 2529972), (72, 2248864), (93, 1741056), (96, 1686648), (124, 1305792), (128, 1264986), (144, 1124432), (186, 870528), (192, 843324), (248, 652896), (256, 632493), (279, 580352), (288, 562216), (372, 435264), (384, 421662), (496, 326448), (558, 290176), (576, 281108), (744, 217632), (768, 210831), (992, 163224), (1116, 145088), (1152, 140554), (1488, 108816), (1984, 81612), (2232, 72544), (2267, 71424), (2304, 70277), (2976, 54408), (3968, 40806), (4464, 36272), (4534, 35712), (5952, 27204), (6801, 23808), (7936, 20403), (8928, 18136), (9068, 17856), (11904, 13602)]