1271302470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{7109}}^1$

素因数の和:9109

約数の個数: 48

約数和(自身を含む): 3307515120

約数和(自身を除く): 2036212650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1987, 3974, 5961, 7109, 9935, 11922, 14218, 17883, 19870, 21327, 29805, 35545, 35766, 42654, 59610, 63981, 71090, 89415, 106635, 127962, 178830, 213270, 319905, 639810, 14125583, 28251166, 42376749, 70627915, 84753498, 127130247, 141255830, 211883745, 254260494, 423767490, 635651235, 1271302470]

約数ペア:

[(1, 1271302470), (2, 635651235), (3, 423767490), (5, 254260494), (6, 211883745), (9, 141255830), (10, 127130247), (15, 84753498), (18, 70627915), (30, 42376749), (45, 28251166), (90, 14125583), (1987, 639810), (3974, 319905), (5961, 213270), (7109, 178830), (9935, 127962), (11922, 106635), (14218, 89415), (17883, 71090), (19870, 63981), (21327, 59610), (29805, 42654), (35545, 35766)]