243561520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 582962688

約数和(自身を除く): 339401168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 211, 235, 307, 376, 422, 470, 614, 752, 844, 940, 1055, 1228, 1535, 1688, 1880, 2110, 2456, 3070, 3376, 3760, 4220, 4912, 6140, 8440, 9917, 12280, 14429, 16880, 19834, 24560, 28858, 39668, 49585, 57716, 64777, 72145, 79336, 99170, 115432, 129554, 144290, 158672, 198340, 230864, 259108, 288580, 323885, 396680, 518216, 577160, 647770, 793360, 1036432, 1154320, 1295540, 2591080, 3044519, 5182160, 6089038, 12178076, 15222595, 24356152, 30445190, 48712304, 60890380, 121780760, 243561520]

約数ペア:

[(1, 243561520), (2, 121780760), (4, 60890380), (5, 48712304), (8, 30445190), (10, 24356152), (16, 15222595), (20, 12178076), (40, 6089038), (47, 5182160), (80, 3044519), (94, 2591080), (188, 1295540), (211, 1154320), (235, 1036432), (307, 793360), (376, 647770), (422, 577160), (470, 518216), (614, 396680), (752, 323885), (844, 288580), (940, 259108), (1055, 230864), (1228, 198340), (1535, 158672), (1688, 144290), (1880, 129554), (2110, 115432), (2456, 99170), (3070, 79336), (3376, 72145), (3760, 64777), (4220, 57716), (4912, 49585), (6140, 39668), (8440, 28858), (9917, 24560), (12280, 19834), (14429, 16880)]