157730720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{140831}}^1$

素因数の和:140853

約数の個数: 48

約数和(自身を含む): 425875968

約数和(自身を除く): 268145248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 140831, 281662, 563324, 704155, 985817, 1126648, 1408310, 1971634, 2253296, 2816620, 3943268, 4506592, 4929085, 5633240, 7886536, 9858170, 11266480, 15773072, 19716340, 22532960, 31546144, 39432680, 78865360, 157730720]

約数ペア:

[(1, 157730720), (2, 78865360), (4, 39432680), (5, 31546144), (7, 22532960), (8, 19716340), (10, 15773072), (14, 11266480), (16, 9858170), (20, 7886536), (28, 5633240), (32, 4929085), (35, 4506592), (40, 3943268), (56, 2816620), (70, 2253296), (80, 1971634), (112, 1408310), (140, 1126648), (160, 985817), (224, 704155), (280, 563324), (560, 281662), (1120, 140831)]