73111720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1867}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 181569600

約数和(自身を除く): 108457880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1867, 1958, 3560, 3734, 3916, 4895, 7468, 7832, 9335, 9790, 14936, 18670, 19580, 20537, 37340, 39160, 41074, 74680, 82148, 102685, 164296, 166163, 205370, 332326, 410740, 664652, 821480, 830815, 1329304, 1661630, 1827793, 3323260, 3655586, 6646520, 7311172, 9138965, 14622344, 18277930, 36555860, 73111720]

約数ペア:

[(1, 73111720), (2, 36555860), (4, 18277930), (5, 14622344), (8, 9138965), (10, 7311172), (11, 6646520), (20, 3655586), (22, 3323260), (40, 1827793), (44, 1661630), (55, 1329304), (88, 830815), (89, 821480), (110, 664652), (178, 410740), (220, 332326), (356, 205370), (440, 166163), (445, 164296), (712, 102685), (890, 82148), (979, 74680), (1780, 41074), (1867, 39160), (1958, 37340), (3560, 20537), (3734, 19580), (3916, 18670), (4895, 14936), (7468, 9790), (7832, 9335)]