68212512

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1246

約数の個数: 72

約数和(自身を含む): 194987520

約数和(自身を除く): 126775008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 478, 717, 956, 991, 1434, 1912, 1982, 2151, 2868, 2973, 3824, 3964, 4302, 5736, 5946, 7648, 7928, 8604, 8919, 11472, 11892, 15856, 17208, 17838, 22944, 23784, 31712, 34416, 35676, 47568, 68832, 71352, 95136, 142704, 236849, 285408, 473698, 710547, 947396, 1421094, 1894792, 2131641, 2842188, 3789584, 4263282, 5684376, 7579168, 8526564, 11368752, 17053128, 22737504, 34106256, 68212512]

約数ペア:

[(1, 68212512), (2, 34106256), (3, 22737504), (4, 17053128), (6, 11368752), (8, 8526564), (9, 7579168), (12, 5684376), (16, 4263282), (18, 3789584), (24, 2842188), (32, 2131641), (36, 1894792), (48, 1421094), (72, 947396), (96, 710547), (144, 473698), (239, 285408), (288, 236849), (478, 142704), (717, 95136), (956, 71352), (991, 68832), (1434, 47568), (1912, 35676), (1982, 34416), (2151, 31712), (2868, 23784), (2973, 22944), (3824, 17838), (3964, 17208), (4302, 15856), (5736, 11892), (5946, 11472), (7648, 8919), (7928, 8604)]