489142720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1866

約数の個数: 112

約数和(自身を含む): 1287475200

約数和(自身を除く): 798332480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 158, 160, 176, 220, 316, 320, 352, 395, 440, 632, 704, 790, 869, 880, 1264, 1580, 1738, 1759, 1760, 2528, 3160, 3476, 3518, 3520, 4345, 5056, 6320, 6952, 7036, 8690, 8795, 12640, 13904, 14072, 17380, 17590, 19349, 25280, 27808, 28144, 34760, 35180, 38698, 55616, 56288, 69520, 70360, 77396, 96745, 112576, 138961, 139040, 140720, 154792, 193490, 277922, 278080, 281440, 309584, 386980, 555844, 562880, 619168, 694805, 773960, 1111688, 1238336, 1389610, 1528571, 1547920, 2223376, 2779220, 3057142, 3095840, 4446752, 5558440, 6114284, 6191680, 7642855, 8893504, 11116880, 12228568, 15285710, 22233760, 24457136, 30571420, 44467520, 48914272, 61142840, 97828544, 122285680, 244571360, 489142720]

約数ペア:

[(1, 489142720), (2, 244571360), (4, 122285680), (5, 97828544), (8, 61142840), (10, 48914272), (11, 44467520), (16, 30571420), (20, 24457136), (22, 22233760), (32, 15285710), (40, 12228568), (44, 11116880), (55, 8893504), (64, 7642855), (79, 6191680), (80, 6114284), (88, 5558440), (110, 4446752), (158, 3095840), (160, 3057142), (176, 2779220), (220, 2223376), (316, 1547920), (320, 1528571), (352, 1389610), (395, 1238336), (440, 1111688), (632, 773960), (704, 694805), (790, 619168), (869, 562880), (880, 555844), (1264, 386980), (1580, 309584), (1738, 281440), (1759, 278080), (1760, 277922), (2528, 193490), (3160, 154792), (3476, 140720), (3518, 139040), (3520, 138961), (4345, 112576), (5056, 96745), (6320, 77396), (6952, 70360), (7036, 69520), (8690, 56288), (8795, 55616), (12640, 38698), (13904, 35180), (14072, 34760), (17380, 28144), (17590, 27808), (19349, 25280)]