766252240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19913}}^1$

素因数の和:19976

約数の個数: 80

約数和(自身を含む): 1970530128

約数和(自身を除く): 1204277888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 19913, 38480, 39826, 79652, 99565, 159304, 199130, 258869, 318608, 398260, 517738, 736781, 796520, 1035476, 1294345, 1473562, 1593040, 2070952, 2588690, 2947124, 3683905, 4141904, 5177380, 5894248, 7367810, 9578153, 10354760, 11788496, 14735620, 19156306, 20709520, 29471240, 38312612, 47890765, 58942480, 76625224, 95781530, 153250448, 191563060, 383126120, 766252240]

約数ペア:

[(1, 766252240), (2, 383126120), (4, 191563060), (5, 153250448), (8, 95781530), (10, 76625224), (13, 58942480), (16, 47890765), (20, 38312612), (26, 29471240), (37, 20709520), (40, 19156306), (52, 14735620), (65, 11788496), (74, 10354760), (80, 9578153), (104, 7367810), (130, 5894248), (148, 5177380), (185, 4141904), (208, 3683905), (260, 2947124), (296, 2588690), (370, 2070952), (481, 1593040), (520, 1473562), (592, 1294345), (740, 1035476), (962, 796520), (1040, 736781), (1480, 517738), (1924, 398260), (2405, 318608), (2960, 258869), (3848, 199130), (4810, 159304), (7696, 99565), (9620, 79652), (19240, 39826), (19913, 38480)]