31233080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 77682240

約数和(自身を除く): 46449160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 1997, 3128, 3910, 3994, 7820, 7988, 9985, 15640, 15976, 19970, 33949, 39940, 45931, 67898, 79880, 91862, 135796, 169745, 183724, 229655, 271592, 339490, 367448, 459310, 678980, 780827, 918620, 1357960, 1561654, 1837240, 3123308, 3904135, 6246616, 7808270, 15616540, 31233080]

約数ペア:

[(1, 31233080), (2, 15616540), (4, 7808270), (5, 6246616), (8, 3904135), (10, 3123308), (17, 1837240), (20, 1561654), (23, 1357960), (34, 918620), (40, 780827), (46, 678980), (68, 459310), (85, 367448), (92, 339490), (115, 271592), (136, 229655), (170, 183724), (184, 169745), (230, 135796), (340, 91862), (391, 79880), (460, 67898), (680, 45931), (782, 39940), (920, 33949), (1564, 19970), (1955, 15976), (1997, 15640), (3128, 9985), (3910, 7988), (3994, 7820)]