129485840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 330246720

約数和(自身を除く): 200760880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 440, 538, 547, 880, 1076, 1094, 1345, 2152, 2188, 2690, 2735, 2959, 4304, 4376, 5380, 5470, 5918, 6017, 8752, 10760, 10940, 11836, 12034, 14795, 21520, 21880, 23672, 24068, 29590, 30085, 43760, 47344, 48136, 59180, 60170, 96272, 118360, 120340, 147143, 236720, 240680, 294286, 481360, 588572, 735715, 1177144, 1471430, 1618573, 2354288, 2942860, 3237146, 5885720, 6474292, 8092865, 11771440, 12948584, 16185730, 25897168, 32371460, 64742920, 129485840]

約数ペア:

[(1, 129485840), (2, 64742920), (4, 32371460), (5, 25897168), (8, 16185730), (10, 12948584), (11, 11771440), (16, 8092865), (20, 6474292), (22, 5885720), (40, 3237146), (44, 2942860), (55, 2354288), (80, 1618573), (88, 1471430), (110, 1177144), (176, 735715), (220, 588572), (269, 481360), (440, 294286), (538, 240680), (547, 236720), (880, 147143), (1076, 120340), (1094, 118360), (1345, 96272), (2152, 60170), (2188, 59180), (2690, 48136), (2735, 47344), (2959, 43760), (4304, 30085), (4376, 29590), (5380, 24068), (5470, 23672), (5918, 21880), (6017, 21520), (8752, 14795), (10760, 12034), (10940, 11836)]