7976517720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{25303}}^1$

素因数の和:25425

約数の個数: 128

約数和(自身を含む): 24923427840

約数和(自身を除く): 16946910120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 71, 74, 111, 120, 142, 148, 185, 213, 222, 284, 296, 355, 370, 426, 444, 555, 568, 710, 740, 852, 888, 1065, 1110, 1420, 1480, 1704, 2130, 2220, 2627, 2840, 4260, 4440, 5254, 7881, 8520, 10508, 13135, 15762, 21016, 25303, 26270, 31524, 39405, 50606, 52540, 63048, 75909, 78810, 101212, 105080, 126515, 151818, 157620, 202424, 253030, 303636, 315240, 379545, 506060, 607272, 759090, 936211, 1012120, 1518180, 1796513, 1872422, 2808633, 3036360, 3593026, 3744844, 4681055, 5389539, 5617266, 7186052, 7489688, 8982565, 9362110, 10779078, 11234532, 14043165, 14372104, 17965130, 18724220, 21558156, 22469064, 26947695, 28086330, 35930260, 37448440, 43116312, 53895390, 56172660, 66470981, 71860520, 107790780, 112345320, 132941962, 199412943, 215581560, 265883924, 332354905, 398825886, 531767848, 664709810, 797651772, 997064715, 1329419620, 1595303544, 1994129430, 2658839240, 3988258860, 7976517720]

約数ペア:

[(1, 7976517720), (2, 3988258860), (3, 2658839240), (4, 1994129430), (5, 1595303544), (6, 1329419620), (8, 997064715), (10, 797651772), (12, 664709810), (15, 531767848), (20, 398825886), (24, 332354905), (30, 265883924), (37, 215581560), (40, 199412943), (60, 132941962), (71, 112345320), (74, 107790780), (111, 71860520), (120, 66470981), (142, 56172660), (148, 53895390), (185, 43116312), (213, 37448440), (222, 35930260), (284, 28086330), (296, 26947695), (355, 22469064), (370, 21558156), (426, 18724220), (444, 17965130), (555, 14372104), (568, 14043165), (710, 11234532), (740, 10779078), (852, 9362110), (888, 8982565), (1065, 7489688), (1110, 7186052), (1420, 5617266), (1480, 5389539), (1704, 4681055), (2130, 3744844), (2220, 3593026), (2627, 3036360), (2840, 2808633), (4260, 1872422), (4440, 1796513), (5254, 1518180), (7881, 1012120), (8520, 936211), (10508, 759090), (13135, 607272), (15762, 506060), (21016, 379545), (25303, 315240), (26270, 303636), (31524, 253030), (39405, 202424), (50606, 157620), (52540, 151818), (63048, 126515), (75909, 105080), (78810, 101212)]