66939120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 226324800

約数和(自身を除く): 159385680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 389, 478, 717, 720, 778, 956, 1167, 1195, 1434, 1556, 1912, 1945, 2151, 2334, 2390, 2868, 3112, 3501, 3585, 3824, 3890, 4302, 4668, 4780, 5736, 5835, 6224, 7002, 7170, 7780, 8604, 9336, 9560, 10755, 11472, 11670, 14004, 14340, 15560, 17208, 17505, 18672, 19120, 21510, 23340, 28008, 28680, 31120, 34416, 35010, 43020, 46680, 56016, 57360, 70020, 86040, 92971, 93360, 140040, 172080, 185942, 278913, 280080, 371884, 464855, 557826, 743768, 836739, 929710, 1115652, 1394565, 1487536, 1673478, 1859420, 2231304, 2789130, 3346956, 3718840, 4183695, 4462608, 5578260, 6693912, 7437680, 8367390, 11156520, 13387824, 16734780, 22313040, 33469560, 66939120]

約数ペア:

[(1, 66939120), (2, 33469560), (3, 22313040), (4, 16734780), (5, 13387824), (6, 11156520), (8, 8367390), (9, 7437680), (10, 6693912), (12, 5578260), (15, 4462608), (16, 4183695), (18, 3718840), (20, 3346956), (24, 2789130), (30, 2231304), (36, 1859420), (40, 1673478), (45, 1487536), (48, 1394565), (60, 1115652), (72, 929710), (80, 836739), (90, 743768), (120, 557826), (144, 464855), (180, 371884), (239, 280080), (240, 278913), (360, 185942), (389, 172080), (478, 140040), (717, 93360), (720, 92971), (778, 86040), (956, 70020), (1167, 57360), (1195, 56016), (1434, 46680), (1556, 43020), (1912, 35010), (1945, 34416), (2151, 31120), (2334, 28680), (2390, 28008), (2868, 23340), (3112, 21510), (3501, 19120), (3585, 18672), (3824, 17505), (3890, 17208), (4302, 15560), (4668, 14340), (4780, 14004), (5736, 11670), (5835, 11472), (6224, 10755), (7002, 9560), (7170, 9336), (7780, 8604)]