215777680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{141959}}^1$

素因数の和:141991

約数の個数: 40

約数和(自身を含む): 528091200

約数和(自身を除く): 312313520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 141959, 283918, 567836, 709795, 1135672, 1419590, 2271344, 2697221, 2839180, 5394442, 5678360, 10788884, 11356720, 13486105, 21577768, 26972210, 43155536, 53944420, 107888840, 215777680]

約数ペア:

[(1, 215777680), (2, 107888840), (4, 53944420), (5, 43155536), (8, 26972210), (10, 21577768), (16, 13486105), (19, 11356720), (20, 10788884), (38, 5678360), (40, 5394442), (76, 2839180), (80, 2697221), (95, 2271344), (152, 1419590), (190, 1135672), (304, 709795), (380, 567836), (760, 283918), (1520, 141959)]