72276800

素因数分解:

$2^6\times 5^2\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 84

約数和(自身を含む): 179527200

約数和(自身を除く): 107250400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 199, 200, 227, 320, 398, 400, 454, 796, 800, 908, 995, 1135, 1592, 1600, 1816, 1990, 2270, 3184, 3632, 3980, 4540, 4975, 5675, 6368, 7264, 7960, 9080, 9950, 11350, 12736, 14528, 15920, 18160, 19900, 22700, 31840, 36320, 39800, 45173, 45400, 63680, 72640, 79600, 90346, 90800, 159200, 180692, 181600, 225865, 318400, 361384, 363200, 451730, 722768, 903460, 1129325, 1445536, 1806920, 2258650, 2891072, 3613840, 4517300, 7227680, 9034600, 14455360, 18069200, 36138400, 72276800]

約数ペア:

[(1, 72276800), (2, 36138400), (4, 18069200), (5, 14455360), (8, 9034600), (10, 7227680), (16, 4517300), (20, 3613840), (25, 2891072), (32, 2258650), (40, 1806920), (50, 1445536), (64, 1129325), (80, 903460), (100, 722768), (160, 451730), (199, 363200), (200, 361384), (227, 318400), (320, 225865), (398, 181600), (400, 180692), (454, 159200), (796, 90800), (800, 90346), (908, 79600), (995, 72640), (1135, 63680), (1592, 45400), (1600, 45173), (1816, 39800), (1990, 36320), (2270, 31840), (3184, 22700), (3632, 19900), (3980, 18160), (4540, 15920), (4975, 14528), (5675, 12736), (6368, 11350), (7264, 9950), (7960, 9080)]