720506878

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 1437778944

約数和(自身を除く): 717272066

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 67, 91, 98, 134, 161, 182, 299, 322, 367, 469, 598, 637, 734, 871, 938, 1127, 1274, 1541, 1742, 2093, 2254, 2569, 3082, 3283, 4186, 4771, 5138, 6097, 6566, 8441, 9542, 10787, 12194, 14651, 16882, 17983, 20033, 21574, 24589, 29302, 33397, 35966, 40066, 42679, 49178, 59087, 66794, 75509, 85358, 109733, 118174, 140231, 151018, 172123, 219466, 233779, 280462, 319657, 344246, 413609, 467558, 565547, 639314, 768131, 827218, 981617, 1131094, 1204861, 1536262, 1963234, 2237599, 2409722, 3958829, 4475198, 5376917, 7352111, 7917658, 10753834, 14704222, 15663193, 27711803, 31326386, 51464777, 55423606, 102929554, 360253439, 720506878]

約数ペア:

[(1, 720506878), (2, 360253439), (7, 102929554), (13, 55423606), (14, 51464777), (23, 31326386), (26, 27711803), (46, 15663193), (49, 14704222), (67, 10753834), (91, 7917658), (98, 7352111), (134, 5376917), (161, 4475198), (182, 3958829), (299, 2409722), (322, 2237599), (367, 1963234), (469, 1536262), (598, 1204861), (637, 1131094), (734, 981617), (871, 827218), (938, 768131), (1127, 639314), (1274, 565547), (1541, 467558), (1742, 413609), (2093, 344246), (2254, 319657), (2569, 280462), (3082, 233779), (3283, 219466), (4186, 172123), (4771, 151018), (5138, 140231), (6097, 118174), (6566, 109733), (8441, 85358), (9542, 75509), (10787, 66794), (12194, 59087), (14651, 49178), (16882, 42679), (17983, 40066), (20033, 35966), (21574, 33397), (24589, 29302)]