393670320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2551}}^1$

素因数の和:3210

約数の個数: 80

約数和(自身を含む): 1222755072

約数和(自身を除く): 829084752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1929, 2551, 2572, 3215, 3858, 5102, 5144, 6430, 7653, 7716, 9645, 10204, 10288, 12755, 12860, 15306, 15432, 19290, 20408, 25510, 25720, 30612, 30864, 38265, 38580, 40816, 51020, 51440, 61224, 76530, 77160, 102040, 122448, 153060, 154320, 204080, 306120, 612240, 1640293, 3280586, 4920879, 6561172, 8201465, 9841758, 13122344, 16402930, 19683516, 24604395, 26244688, 32805860, 39367032, 49208790, 65611720, 78734064, 98417580, 131223440, 196835160, 393670320]

約数ペア:

[(1, 393670320), (2, 196835160), (3, 131223440), (4, 98417580), (5, 78734064), (6, 65611720), (8, 49208790), (10, 39367032), (12, 32805860), (15, 26244688), (16, 24604395), (20, 19683516), (24, 16402930), (30, 13122344), (40, 9841758), (48, 8201465), (60, 6561172), (80, 4920879), (120, 3280586), (240, 1640293), (643, 612240), (1286, 306120), (1929, 204080), (2551, 154320), (2572, 153060), (3215, 122448), (3858, 102040), (5102, 77160), (5144, 76530), (6430, 61224), (7653, 51440), (7716, 51020), (9645, 40816), (10204, 38580), (10288, 38265), (12755, 30864), (12860, 30612), (15306, 25720), (15432, 25510), (19290, 20408)]