256825590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53173}}^1$

素因数の和:53213

約数の個数: 64

約数和(自身を含む): 735077376

約数和(自身を除く): 478251786

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 53173, 106346, 159519, 265865, 319038, 372211, 531730, 744422, 797595, 1116633, 1222979, 1595190, 1861055, 2233266, 2445958, 3668937, 3722110, 5583165, 6114895, 7337874, 8560853, 11166330, 12229790, 17121706, 18344685, 25682559, 36689370, 42804265, 51365118, 85608530, 128412795, 256825590]

約数ペア:

[(1, 256825590), (2, 128412795), (3, 85608530), (5, 51365118), (6, 42804265), (7, 36689370), (10, 25682559), (14, 18344685), (15, 17121706), (21, 12229790), (23, 11166330), (30, 8560853), (35, 7337874), (42, 6114895), (46, 5583165), (69, 3722110), (70, 3668937), (105, 2445958), (115, 2233266), (138, 1861055), (161, 1595190), (210, 1222979), (230, 1116633), (322, 797595), (345, 744422), (483, 531730), (690, 372211), (805, 319038), (966, 265865), (1610, 159519), (2415, 106346), (4830, 53173)]