256006680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68819}}^1$

素因数の和:68864

約数の個数: 64

約数和(自身を含む): 792806400

約数和(自身を除く): 536799720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 68819, 137638, 206457, 275276, 344095, 412914, 550552, 688190, 825828, 1032285, 1376380, 1651656, 2064570, 2133389, 2752760, 4129140, 4266778, 6400167, 8258280, 8533556, 10666945, 12800334, 17067112, 21333890, 25600668, 32000835, 42667780, 51201336, 64001670, 85335560, 128003340, 256006680]

約数ペア:

[(1, 256006680), (2, 128003340), (3, 85335560), (4, 64001670), (5, 51201336), (6, 42667780), (8, 32000835), (10, 25600668), (12, 21333890), (15, 17067112), (20, 12800334), (24, 10666945), (30, 8533556), (31, 8258280), (40, 6400167), (60, 4266778), (62, 4129140), (93, 2752760), (120, 2133389), (124, 2064570), (155, 1651656), (186, 1376380), (248, 1032285), (310, 825828), (372, 688190), (465, 550552), (620, 412914), (744, 344095), (930, 275276), (1240, 206457), (1860, 137638), (3720, 68819)]