255307560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111977}}^1$

素因数の和:112010

約数の個数: 64

約数和(自身を含む): 806241600

約数和(自身を除く): 550934040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 111977, 223954, 335931, 447908, 559885, 671862, 895816, 1119770, 1343724, 1679655, 2127563, 2239540, 2687448, 3359310, 4255126, 4479080, 6382689, 6718620, 8510252, 10637815, 12765378, 13437240, 17020504, 21275630, 25530756, 31913445, 42551260, 51061512, 63826890, 85102520, 127653780, 255307560]

約数ペア:

[(1, 255307560), (2, 127653780), (3, 85102520), (4, 63826890), (5, 51061512), (6, 42551260), (8, 31913445), (10, 25530756), (12, 21275630), (15, 17020504), (19, 13437240), (20, 12765378), (24, 10637815), (30, 8510252), (38, 6718620), (40, 6382689), (57, 4479080), (60, 4255126), (76, 3359310), (95, 2687448), (114, 2239540), (120, 2127563), (152, 1679655), (190, 1343724), (228, 1119770), (285, 895816), (380, 671862), (456, 559885), (570, 447908), (760, 335931), (1140, 223954), (2280, 111977)]