257551920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119237}}^1$

素因数の和:119259

約数の個数: 80

約数和(自身を含む): 887130720

約数和(自身を除く): 629578800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119237, 238474, 357711, 476948, 596185, 715422, 953896, 1073133, 1192370, 1430844, 1788555, 1907792, 2146266, 2384740, 2861688, 3219399, 3577110, 4292532, 4769480, 5365665, 5723376, 6438798, 7154220, 8585064, 9538960, 10731330, 12877596, 14308440, 16096995, 17170128, 21462660, 25755192, 28616880, 32193990, 42925320, 51510384, 64387980, 85850640, 128775960, 257551920]

約数ペア:

[(1, 257551920), (2, 128775960), (3, 85850640), (4, 64387980), (5, 51510384), (6, 42925320), (8, 32193990), (9, 28616880), (10, 25755192), (12, 21462660), (15, 17170128), (16, 16096995), (18, 14308440), (20, 12877596), (24, 10731330), (27, 9538960), (30, 8585064), (36, 7154220), (40, 6438798), (45, 5723376), (48, 5365665), (54, 4769480), (60, 4292532), (72, 3577110), (80, 3219399), (90, 2861688), (108, 2384740), (120, 2146266), (135, 1907792), (144, 1788555), (180, 1430844), (216, 1192370), (240, 1073133), (270, 953896), (360, 715422), (432, 596185), (540, 476948), (720, 357711), (1080, 238474), (2160, 119237)]