644089728

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:996

約数の個数: 128

約数和(自身を含む): 1797027840

約数和(自身を除く): 1152938112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 61, 62, 64, 93, 96, 122, 124, 128, 183, 186, 192, 244, 248, 366, 372, 384, 488, 496, 732, 744, 887, 976, 992, 1464, 1488, 1774, 1891, 1952, 1984, 2661, 2928, 2976, 3548, 3782, 3904, 3968, 5322, 5673, 5856, 5952, 7096, 7564, 7808, 10644, 11346, 11712, 11904, 14192, 15128, 21288, 22692, 23424, 27497, 28384, 30256, 42576, 45384, 54107, 54994, 56768, 60512, 82491, 85152, 90768, 108214, 109988, 113536, 121024, 162321, 164982, 170304, 181536, 216428, 219976, 242048, 324642, 329964, 340608, 363072, 432856, 439952, 649284, 659928, 726144, 865712, 879904, 1298568, 1319856, 1677317, 1731424, 1759808, 2597136, 2639712, 3354634, 3462848, 3519616, 5031951, 5194272, 5279424, 6709268, 6925696, 10063902, 10388544, 10558848, 13418536, 20127804, 20777088, 26837072, 40255608, 53674144, 80511216, 107348288, 161022432, 214696576, 322044864, 644089728]

約数ペア:

[(1, 644089728), (2, 322044864), (3, 214696576), (4, 161022432), (6, 107348288), (8, 80511216), (12, 53674144), (16, 40255608), (24, 26837072), (31, 20777088), (32, 20127804), (48, 13418536), (61, 10558848), (62, 10388544), (64, 10063902), (93, 6925696), (96, 6709268), (122, 5279424), (124, 5194272), (128, 5031951), (183, 3519616), (186, 3462848), (192, 3354634), (244, 2639712), (248, 2597136), (366, 1759808), (372, 1731424), (384, 1677317), (488, 1319856), (496, 1298568), (732, 879904), (744, 865712), (887, 726144), (976, 659928), (992, 649284), (1464, 439952), (1488, 432856), (1774, 363072), (1891, 340608), (1952, 329964), (1984, 324642), (2661, 242048), (2928, 219976), (2976, 216428), (3548, 181536), (3782, 170304), (3904, 164982), (3968, 162321), (5322, 121024), (5673, 113536), (5856, 109988), (5952, 108214), (7096, 90768), (7564, 85152), (7808, 82491), (10644, 60512), (11346, 56768), (11712, 54994), (11904, 54107), (14192, 45384), (15128, 42576), (21288, 30256), (22692, 28384), (23424, 27497)]