74780720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3257}}^1$

素因数の和:3318

約数の個数: 80

約数和(自身を含む): 203611968

約数和(自身を除く): 128831248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3257, 3280, 4592, 5740, 6514, 11480, 13028, 16285, 22799, 22960, 26056, 32570, 45598, 52112, 65140, 91196, 113995, 130280, 133537, 182392, 227990, 260560, 267074, 364784, 455980, 534148, 667685, 911960, 934759, 1068296, 1335370, 1823920, 1869518, 2136592, 2670740, 3739036, 4673795, 5341480, 7478072, 9347590, 10682960, 14956144, 18695180, 37390360, 74780720]

約数ペア:

[(1, 74780720), (2, 37390360), (4, 18695180), (5, 14956144), (7, 10682960), (8, 9347590), (10, 7478072), (14, 5341480), (16, 4673795), (20, 3739036), (28, 2670740), (35, 2136592), (40, 1869518), (41, 1823920), (56, 1335370), (70, 1068296), (80, 934759), (82, 911960), (112, 667685), (140, 534148), (164, 455980), (205, 364784), (280, 267074), (287, 260560), (328, 227990), (410, 182392), (560, 133537), (574, 130280), (656, 113995), (820, 91196), (1148, 65140), (1435, 52112), (1640, 45598), (2296, 32570), (2870, 26056), (3257, 22960), (3280, 22799), (4592, 16285), (5740, 13028), (6514, 11480)]