149456960

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2347}}^1$

素因数の和:2563

約数の個数: 56

約数和(自身を含む): 357835200

約数和(自身を除く): 208378240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 2347, 3184, 3980, 4694, 6368, 7960, 9388, 11735, 12736, 15920, 18776, 23470, 31840, 37552, 46940, 63680, 75104, 93880, 150208, 187760, 375520, 467053, 751040, 934106, 1868212, 2335265, 3736424, 4670530, 7472848, 9341060, 14945696, 18682120, 29891392, 37364240, 74728480, 149456960]

約数ペア:

[(1, 149456960), (2, 74728480), (4, 37364240), (5, 29891392), (8, 18682120), (10, 14945696), (16, 9341060), (20, 7472848), (32, 4670530), (40, 3736424), (64, 2335265), (80, 1868212), (160, 934106), (199, 751040), (320, 467053), (398, 375520), (796, 187760), (995, 150208), (1592, 93880), (1990, 75104), (2347, 63680), (3184, 46940), (3980, 37552), (4694, 31840), (6368, 23470), (7960, 18776), (9388, 15920), (11735, 12736)]