257630040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{715639}}^1$

素因数の和:715656

約数の個数: 48

約数和(自身を含む): 837298800

約数和(自身を除く): 579668760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 715639, 1431278, 2146917, 2862556, 3578195, 4293834, 5725112, 6440751, 7156390, 8587668, 10734585, 12881502, 14312780, 17175336, 21469170, 25763004, 28625560, 32203755, 42938340, 51526008, 64407510, 85876680, 128815020, 257630040]

約数ペア:

[(1, 257630040), (2, 128815020), (3, 85876680), (4, 64407510), (5, 51526008), (6, 42938340), (8, 32203755), (9, 28625560), (10, 25763004), (12, 21469170), (15, 17175336), (18, 14312780), (20, 12881502), (24, 10734585), (30, 8587668), (36, 7156390), (40, 6440751), (45, 5725112), (60, 4293834), (72, 3578195), (90, 2862556), (120, 2146917), (180, 1431278), (360, 715639)]