756985280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:742

約数の個数: 112

約数和(自身を含む): 1877665536

約数和(自身を除く): 1120680256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 137, 155, 160, 248, 274, 310, 320, 496, 548, 557, 620, 685, 992, 1096, 1114, 1240, 1370, 1984, 2192, 2228, 2480, 2740, 2785, 4247, 4384, 4456, 4960, 5480, 5570, 8494, 8768, 8912, 9920, 10960, 11140, 16988, 17267, 17824, 21235, 21920, 22280, 33976, 34534, 35648, 42470, 43840, 44560, 67952, 69068, 76309, 84940, 86335, 89120, 135904, 138136, 152618, 169880, 172670, 178240, 271808, 276272, 305236, 339760, 345340, 381545, 552544, 610472, 679520, 690680, 763090, 1105088, 1220944, 1359040, 1381360, 1526180, 2365579, 2441888, 2762720, 3052360, 4731158, 4883776, 5525440, 6104720, 9462316, 11827895, 12209440, 18924632, 23655790, 24418880, 37849264, 47311580, 75698528, 94623160, 151397056, 189246320, 378492640, 756985280]

約数ペア:

[(1, 756985280), (2, 378492640), (4, 189246320), (5, 151397056), (8, 94623160), (10, 75698528), (16, 47311580), (20, 37849264), (31, 24418880), (32, 23655790), (40, 18924632), (62, 12209440), (64, 11827895), (80, 9462316), (124, 6104720), (137, 5525440), (155, 4883776), (160, 4731158), (248, 3052360), (274, 2762720), (310, 2441888), (320, 2365579), (496, 1526180), (548, 1381360), (557, 1359040), (620, 1220944), (685, 1105088), (992, 763090), (1096, 690680), (1114, 679520), (1240, 610472), (1370, 552544), (1984, 381545), (2192, 345340), (2228, 339760), (2480, 305236), (2740, 276272), (2785, 271808), (4247, 178240), (4384, 172670), (4456, 169880), (4960, 152618), (5480, 138136), (5570, 135904), (8494, 89120), (8768, 86335), (8912, 84940), (9920, 76309), (10960, 69068), (11140, 67952), (16988, 44560), (17267, 43840), (17824, 42470), (21235, 35648), (21920, 34534), (22280, 33976)]