72910640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2857}}^1$

素因数の和:2910

約数の個数: 80

約数和(自身を含む): 191371680

約数和(自身を除く): 118461040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2857, 3190, 5104, 5714, 6380, 11428, 12760, 14285, 22856, 25520, 28570, 31427, 45712, 57140, 62854, 82853, 114280, 125708, 157135, 165706, 228560, 251416, 314270, 331412, 414265, 502832, 628540, 662824, 828530, 911383, 1257080, 1325648, 1657060, 1822766, 2514160, 3314120, 3645532, 4556915, 6628240, 7291064, 9113830, 14582128, 18227660, 36455320, 72910640]

約数ペア:

[(1, 72910640), (2, 36455320), (4, 18227660), (5, 14582128), (8, 9113830), (10, 7291064), (11, 6628240), (16, 4556915), (20, 3645532), (22, 3314120), (29, 2514160), (40, 1822766), (44, 1657060), (55, 1325648), (58, 1257080), (80, 911383), (88, 828530), (110, 662824), (116, 628540), (145, 502832), (176, 414265), (220, 331412), (232, 314270), (290, 251416), (319, 228560), (440, 165706), (464, 157135), (580, 125708), (638, 114280), (880, 82853), (1160, 62854), (1276, 57140), (1595, 45712), (2320, 31427), (2552, 28570), (2857, 25520), (3190, 22856), (5104, 14285), (5714, 12760), (6380, 11428)]