257183460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3673}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 782341560

約数和(自身を除く): 525158100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3673, 3890, 4668, 5835, 7002, 7346, 7780, 11019, 11670, 14004, 14692, 17505, 18365, 22038, 23340, 33057, 35010, 36730, 44076, 55095, 66114, 70020, 73460, 110190, 132228, 165285, 220380, 330570, 661140, 1428797, 2857594, 4286391, 5715188, 7143985, 8572782, 12859173, 14287970, 17145564, 21431955, 25718346, 28575940, 42863910, 51436692, 64295865, 85727820, 128591730, 257183460]

約数ペア:

[(1, 257183460), (2, 128591730), (3, 85727820), (4, 64295865), (5, 51436692), (6, 42863910), (9, 28575940), (10, 25718346), (12, 21431955), (15, 17145564), (18, 14287970), (20, 12859173), (30, 8572782), (36, 7143985), (45, 5715188), (60, 4286391), (90, 2857594), (180, 1428797), (389, 661140), (778, 330570), (1167, 220380), (1556, 165285), (1945, 132228), (2334, 110190), (3501, 73460), (3673, 70020), (3890, 66114), (4668, 55095), (5835, 44076), (7002, 36730), (7346, 35010), (7780, 33057), (11019, 23340), (11670, 22038), (14004, 18365), (14692, 17505)]