81923877760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{164321}}^1$

素因数の和:164400

約数の個数: 128

約数和(自身を含む): 211186634400

約数和(自身を除く): 129262756640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1640, 2432, 2624, 3040, 3116, 3280, 3895, 5248, 6080, 6232, 6560, 7790, 12160, 12464, 13120, 15580, 24928, 26240, 31160, 49856, 62320, 99712, 124640, 164321, 249280, 328642, 498560, 657284, 821605, 1314568, 1643210, 2629136, 3122099, 3286420, 5258272, 6244198, 6572840, 6737161, 10516544, 12488396, 13145680, 13474322, 15610495, 21033088, 24976792, 26291360, 26948644, 31220990, 33685805, 49953584, 52582720, 53897288, 62441980, 67371610, 99907168, 105165440, 107794576, 124883960, 128006059, 134743220, 199814336, 215589152, 249767920, 256012118, 269486440, 399628672, 431178304, 499535840, 512024236, 538972880, 640030295, 862356608, 999071680, 1024048472, 1077945760, 1280060590, 1998143360, 2048096944, 2155891520, 2560121180, 4096193888, 4311783040, 5120242360, 8192387776, 10240484720, 16384775552, 20480969440, 40961938880, 81923877760]

約数ペア:

[(1, 81923877760), (2, 40961938880), (4, 20480969440), (5, 16384775552), (8, 10240484720), (10, 8192387776), (16, 5120242360), (19, 4311783040), (20, 4096193888), (32, 2560121180), (38, 2155891520), (40, 2048096944), (41, 1998143360), (64, 1280060590), (76, 1077945760), (80, 1024048472), (82, 999071680), (95, 862356608), (128, 640030295), (152, 538972880), (160, 512024236), (164, 499535840), (190, 431178304), (205, 399628672), (304, 269486440), (320, 256012118), (328, 249767920), (380, 215589152), (410, 199814336), (608, 134743220), (640, 128006059), (656, 124883960), (760, 107794576), (779, 105165440), (820, 99907168), (1216, 67371610), (1312, 62441980), (1520, 53897288), (1558, 52582720), (1640, 49953584), (2432, 33685805), (2624, 31220990), (3040, 26948644), (3116, 26291360), (3280, 24976792), (3895, 21033088), (5248, 15610495), (6080, 13474322), (6232, 13145680), (6560, 12488396), (7790, 10516544), (12160, 6737161), (12464, 6572840), (13120, 6244198), (15580, 5258272), (24928, 3286420), (26240, 3122099), (31160, 2629136), (49856, 1643210), (62320, 1314568), (99712, 821605), (124640, 657284), (164321, 498560), (249280, 328642)]