7149759640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 16860856320

約数和(自身を除く): 9711096680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 127, 142, 172, 215, 254, 284, 344, 355, 430, 461, 508, 568, 635, 710, 860, 922, 1016, 1270, 1420, 1720, 1844, 2305, 2540, 2840, 3053, 3688, 4610, 5080, 5461, 6106, 9017, 9220, 10922, 12212, 15265, 18034, 18440, 19823, 21844, 24424, 27305, 30530, 32731, 36068, 39646, 43688, 45085, 54610, 58547, 61060, 65462, 72136, 79292, 90170, 99115, 109220, 117094, 122120, 130924, 158584, 163655, 180340, 198230, 218440, 234188, 261848, 292735, 327310, 360680, 387731, 396460, 468376, 585470, 654620, 775462, 792920, 1170940, 1309240, 1407433, 1550924, 1938655, 2341880, 2517521, 2814866, 3101848, 3877310, 4156837, 5035042, 5629732, 7037165, 7754620, 8313674, 10070084, 11259464, 12587605, 14074330, 15509240, 16627348, 20140168, 20784185, 25175210, 28148660, 33254696, 41568370, 50350420, 56297320, 83136740, 100700840, 166273480, 178743991, 357487982, 714975964, 893719955, 1429951928, 1787439910, 3574879820, 7149759640]

約数ペア:

[(1, 7149759640), (2, 3574879820), (4, 1787439910), (5, 1429951928), (8, 893719955), (10, 714975964), (20, 357487982), (40, 178743991), (43, 166273480), (71, 100700840), (86, 83136740), (127, 56297320), (142, 50350420), (172, 41568370), (215, 33254696), (254, 28148660), (284, 25175210), (344, 20784185), (355, 20140168), (430, 16627348), (461, 15509240), (508, 14074330), (568, 12587605), (635, 11259464), (710, 10070084), (860, 8313674), (922, 7754620), (1016, 7037165), (1270, 5629732), (1420, 5035042), (1720, 4156837), (1844, 3877310), (2305, 3101848), (2540, 2814866), (2840, 2517521), (3053, 2341880), (3688, 1938655), (4610, 1550924), (5080, 1407433), (5461, 1309240), (6106, 1170940), (9017, 792920), (9220, 775462), (10922, 654620), (12212, 585470), (15265, 468376), (18034, 396460), (18440, 387731), (19823, 360680), (21844, 327310), (24424, 292735), (27305, 261848), (30530, 234188), (32731, 218440), (36068, 198230), (39646, 180340), (43688, 163655), (45085, 158584), (54610, 130924), (58547, 122120), (61060, 117094), (65462, 109220), (72136, 99115), (79292, 90170)]