67308920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 182217600

約数和(自身を除く): 114908680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 73, 74, 89, 140, 146, 148, 178, 185, 259, 280, 292, 296, 356, 365, 370, 445, 511, 518, 584, 623, 712, 730, 740, 890, 1022, 1036, 1246, 1295, 1460, 1480, 1780, 2044, 2072, 2492, 2555, 2590, 2701, 2920, 3115, 3293, 3560, 4088, 4984, 5110, 5180, 5402, 6230, 6497, 6586, 10220, 10360, 10804, 12460, 12994, 13172, 13505, 16465, 18907, 20440, 21608, 23051, 24920, 25988, 26344, 27010, 32485, 32930, 37814, 45479, 46102, 51976, 54020, 64970, 65860, 75628, 90958, 92204, 94535, 108040, 115255, 129940, 131720, 151256, 181916, 184408, 189070, 227395, 230510, 240389, 259880, 363832, 378140, 454790, 461020, 480778, 756280, 909580, 922040, 961556, 1201945, 1682723, 1819160, 1923112, 2403890, 3365446, 4807780, 6730892, 8413615, 9615560, 13461784, 16827230, 33654460, 67308920]

約数ペア:

[(1, 67308920), (2, 33654460), (4, 16827230), (5, 13461784), (7, 9615560), (8, 8413615), (10, 6730892), (14, 4807780), (20, 3365446), (28, 2403890), (35, 1923112), (37, 1819160), (40, 1682723), (56, 1201945), (70, 961556), (73, 922040), (74, 909580), (89, 756280), (140, 480778), (146, 461020), (148, 454790), (178, 378140), (185, 363832), (259, 259880), (280, 240389), (292, 230510), (296, 227395), (356, 189070), (365, 184408), (370, 181916), (445, 151256), (511, 131720), (518, 129940), (584, 115255), (623, 108040), (712, 94535), (730, 92204), (740, 90958), (890, 75628), (1022, 65860), (1036, 64970), (1246, 54020), (1295, 51976), (1460, 46102), (1480, 45479), (1780, 37814), (2044, 32930), (2072, 32485), (2492, 27010), (2555, 26344), (2590, 25988), (2701, 24920), (2920, 23051), (3115, 21608), (3293, 20440), (3560, 18907), (4088, 16465), (4984, 13505), (5110, 13172), (5180, 12994), (5402, 12460), (6230, 10804), (6497, 10360), (6586, 10220)]