666781320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 2044569600

約数和(自身を除く): 1377788280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 239, 268, 335, 347, 402, 478, 536, 670, 694, 717, 804, 956, 1005, 1041, 1195, 1340, 1388, 1434, 1608, 1735, 1912, 2010, 2082, 2390, 2680, 2776, 2868, 3470, 3585, 4020, 4164, 4780, 5205, 5736, 6940, 7170, 8040, 8328, 9560, 10410, 13880, 14340, 16013, 20820, 23249, 28680, 32026, 41640, 46498, 48039, 64052, 69747, 80065, 82933, 92996, 96078, 116245, 128104, 139494, 160130, 165866, 185992, 192156, 232490, 240195, 248799, 278988, 320260, 331732, 348735, 384312, 414665, 464980, 480390, 497598, 557976, 640520, 663464, 697470, 829330, 929960, 960780, 995196, 1243995, 1394940, 1658660, 1921560, 1990392, 2487990, 2789880, 3317320, 4975980, 5556511, 9951960, 11113022, 16669533, 22226044, 27782555, 33339066, 44452088, 55565110, 66678132, 83347665, 111130220, 133356264, 166695330, 222260440, 333390660, 666781320]

約数ペア:

[(1, 666781320), (2, 333390660), (3, 222260440), (4, 166695330), (5, 133356264), (6, 111130220), (8, 83347665), (10, 66678132), (12, 55565110), (15, 44452088), (20, 33339066), (24, 27782555), (30, 22226044), (40, 16669533), (60, 11113022), (67, 9951960), (120, 5556511), (134, 4975980), (201, 3317320), (239, 2789880), (268, 2487990), (335, 1990392), (347, 1921560), (402, 1658660), (478, 1394940), (536, 1243995), (670, 995196), (694, 960780), (717, 929960), (804, 829330), (956, 697470), (1005, 663464), (1041, 640520), (1195, 557976), (1340, 497598), (1388, 480390), (1434, 464980), (1608, 414665), (1735, 384312), (1912, 348735), (2010, 331732), (2082, 320260), (2390, 278988), (2680, 248799), (2776, 240195), (2868, 232490), (3470, 192156), (3585, 185992), (4020, 165866), (4164, 160130), (4780, 139494), (5205, 128104), (5736, 116245), (6940, 96078), (7170, 92996), (8040, 82933), (8328, 80065), (9560, 69747), (10410, 64052), (13880, 48039), (14340, 46498), (16013, 41640), (20820, 32026), (23249, 28680)]