42656320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 117774720

約数和(自身を除く): 75118400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 139, 140, 160, 224, 274, 278, 280, 320, 448, 548, 556, 560, 685, 695, 959, 973, 1096, 1112, 1120, 1370, 1390, 1918, 1946, 2192, 2224, 2240, 2740, 2780, 3836, 3892, 4384, 4448, 4795, 4865, 5480, 5560, 7672, 7784, 8768, 8896, 9590, 9730, 10960, 11120, 15344, 15568, 19043, 19180, 19460, 21920, 22240, 30688, 31136, 38086, 38360, 38920, 43840, 44480, 61376, 62272, 76172, 76720, 77840, 95215, 133301, 152344, 153440, 155680, 190430, 266602, 304688, 306880, 311360, 380860, 533204, 609376, 666505, 761720, 1066408, 1218752, 1333010, 1523440, 2132816, 2666020, 3046880, 4265632, 5332040, 6093760, 8531264, 10664080, 21328160, 42656320]

約数ペア:

[(1, 42656320), (2, 21328160), (4, 10664080), (5, 8531264), (7, 6093760), (8, 5332040), (10, 4265632), (14, 3046880), (16, 2666020), (20, 2132816), (28, 1523440), (32, 1333010), (35, 1218752), (40, 1066408), (56, 761720), (64, 666505), (70, 609376), (80, 533204), (112, 380860), (137, 311360), (139, 306880), (140, 304688), (160, 266602), (224, 190430), (274, 155680), (278, 153440), (280, 152344), (320, 133301), (448, 95215), (548, 77840), (556, 76720), (560, 76172), (685, 62272), (695, 61376), (959, 44480), (973, 43840), (1096, 38920), (1112, 38360), (1120, 38086), (1370, 31136), (1390, 30688), (1918, 22240), (1946, 21920), (2192, 19460), (2224, 19180), (2240, 19043), (2740, 15568), (2780, 15344), (3836, 11120), (3892, 10960), (4384, 9730), (4448, 9590), (4795, 8896), (4865, 8768), (5480, 7784), (5560, 7672)]