255851960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70289}}^1$

素因数の和:70320

約数の個数: 64

約数和(自身を含む): 708523200

約数和(自身を除く): 452671240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 70289, 140578, 281156, 351445, 492023, 562312, 702890, 913757, 984046, 1405780, 1827514, 1968092, 2460115, 2811560, 3655028, 3936184, 4568785, 4920230, 6396299, 7310056, 9137570, 9840460, 12792598, 18275140, 19680920, 25585196, 31981495, 36550280, 51170392, 63962990, 127925980, 255851960]

約数ペア:

[(1, 255851960), (2, 127925980), (4, 63962990), (5, 51170392), (7, 36550280), (8, 31981495), (10, 25585196), (13, 19680920), (14, 18275140), (20, 12792598), (26, 9840460), (28, 9137570), (35, 7310056), (40, 6396299), (52, 4920230), (56, 4568785), (65, 3936184), (70, 3655028), (91, 2811560), (104, 2460115), (130, 1968092), (140, 1827514), (182, 1405780), (260, 984046), (280, 913757), (364, 702890), (455, 562312), (520, 492023), (728, 351445), (910, 281156), (1820, 140578), (3640, 70289)]