85312640

素因数分解:

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

素因数の和:302

約数の個数: 128

約数和(自身を含む): 236476800

約数和(自身を除く): 151164160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 139, 140, 160, 224, 274, 278, 280, 320, 448, 548, 556, 560, 640, 685, 695, 896, 959, 973, 1096, 1112, 1120, 1370, 1390, 1918, 1946, 2192, 2224, 2240, 2740, 2780, 3836, 3892, 4384, 4448, 4480, 4795, 4865, 5480, 5560, 7672, 7784, 8768, 8896, 9590, 9730, 10960, 11120, 15344, 15568, 17536, 17792, 19043, 19180, 19460, 21920, 22240, 30688, 31136, 38086, 38360, 38920, 43840, 44480, 61376, 62272, 76172, 76720, 77840, 87680, 88960, 95215, 122752, 124544, 133301, 152344, 153440, 155680, 190430, 266602, 304688, 306880, 311360, 380860, 533204, 609376, 613760, 622720, 666505, 761720, 1066408, 1218752, 1333010, 1523440, 2132816, 2437504, 2666020, 3046880, 4265632, 5332040, 6093760, 8531264, 10664080, 12187520, 17062528, 21328160, 42656320, 85312640]

約数ペア:

[(1, 85312640), (2, 42656320), (4, 21328160), (5, 17062528), (7, 12187520), (8, 10664080), (10, 8531264), (14, 6093760), (16, 5332040), (20, 4265632), (28, 3046880), (32, 2666020), (35, 2437504), (40, 2132816), (56, 1523440), (64, 1333010), (70, 1218752), (80, 1066408), (112, 761720), (128, 666505), (137, 622720), (139, 613760), (140, 609376), (160, 533204), (224, 380860), (274, 311360), (278, 306880), (280, 304688), (320, 266602), (448, 190430), (548, 155680), (556, 153440), (560, 152344), (640, 133301), (685, 124544), (695, 122752), (896, 95215), (959, 88960), (973, 87680), (1096, 77840), (1112, 76720), (1120, 76172), (1370, 62272), (1390, 61376), (1918, 44480), (1946, 43840), (2192, 38920), (2224, 38360), (2240, 38086), (2740, 31136), (2780, 30688), (3836, 22240), (3892, 21920), (4384, 19460), (4448, 19180), (4480, 19043), (4795, 17792), (4865, 17536), (5480, 15568), (5560, 15344), (7672, 11120), (7784, 10960), (8768, 9730), (8896, 9590)]