321491328

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 893030400

約数和(自身を除く): 571539072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 113, 124, 128, 186, 192, 226, 239, 248, 339, 372, 384, 452, 478, 496, 678, 717, 744, 904, 956, 992, 1356, 1434, 1488, 1808, 1912, 1984, 2712, 2868, 2976, 3503, 3616, 3824, 3968, 5424, 5736, 5952, 7006, 7232, 7409, 7648, 10509, 10848, 11472, 11904, 14012, 14464, 14818, 15296, 21018, 21696, 22227, 22944, 27007, 28024, 29636, 30592, 42036, 43392, 44454, 45888, 54014, 56048, 59272, 81021, 84072, 88908, 91776, 108028, 112096, 118544, 162042, 168144, 177816, 216056, 224192, 237088, 324084, 336288, 355632, 432112, 448384, 474176, 648168, 672576, 711264, 837217, 864224, 948352, 1296336, 1345152, 1422528, 1674434, 1728448, 2511651, 2592672, 2845056, 3348868, 3456896, 5023302, 5185344, 6697736, 10046604, 10370688, 13395472, 20093208, 26790944, 40186416, 53581888, 80372832, 107163776, 160745664, 321491328]

約数ペア:

[(1, 321491328), (2, 160745664), (3, 107163776), (4, 80372832), (6, 53581888), (8, 40186416), (12, 26790944), (16, 20093208), (24, 13395472), (31, 10370688), (32, 10046604), (48, 6697736), (62, 5185344), (64, 5023302), (93, 3456896), (96, 3348868), (113, 2845056), (124, 2592672), (128, 2511651), (186, 1728448), (192, 1674434), (226, 1422528), (239, 1345152), (248, 1296336), (339, 948352), (372, 864224), (384, 837217), (452, 711264), (478, 672576), (496, 648168), (678, 474176), (717, 448384), (744, 432112), (904, 355632), (956, 336288), (992, 324084), (1356, 237088), (1434, 224192), (1488, 216056), (1808, 177816), (1912, 168144), (1984, 162042), (2712, 118544), (2868, 112096), (2976, 108028), (3503, 91776), (3616, 88908), (3824, 84072), (3968, 81021), (5424, 59272), (5736, 56048), (5952, 54014), (7006, 45888), (7232, 44454), (7409, 43392), (7648, 42036), (10509, 30592), (10848, 29636), (11472, 28024), (11904, 27007), (14012, 22944), (14464, 22227), (14818, 21696), (15296, 21018)]