63542920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 164275200

約数和(自身を除く): 100732280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 991, 1145, 1603, 1832, 1982, 2290, 3206, 3964, 4580, 4955, 6412, 6937, 7928, 8015, 9160, 9910, 12824, 13874, 16030, 19820, 27748, 32060, 34685, 39640, 55496, 64120, 69370, 138740, 226939, 277480, 453878, 907756, 1134695, 1588573, 1815512, 2269390, 3177146, 4538780, 6354292, 7942865, 9077560, 12708584, 15885730, 31771460, 63542920]

約数ペア:

[(1, 63542920), (2, 31771460), (4, 15885730), (5, 12708584), (7, 9077560), (8, 7942865), (10, 6354292), (14, 4538780), (20, 3177146), (28, 2269390), (35, 1815512), (40, 1588573), (56, 1134695), (70, 907756), (140, 453878), (229, 277480), (280, 226939), (458, 138740), (916, 69370), (991, 64120), (1145, 55496), (1603, 39640), (1832, 34685), (1982, 32060), (2290, 27748), (3206, 19820), (3964, 16030), (4580, 13874), (4955, 12824), (6412, 9910), (6937, 9160), (7928, 8015)]