1280731644

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 3472035840

約数和(自身を除く): 2191304196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 59, 62, 93, 106, 118, 124, 159, 177, 186, 212, 236, 279, 318, 354, 367, 372, 477, 531, 558, 636, 708, 734, 954, 1062, 1101, 1116, 1468, 1643, 1829, 1908, 2124, 2202, 3127, 3286, 3303, 3658, 4404, 4929, 5487, 6254, 6572, 6606, 7316, 9381, 9858, 10974, 11377, 12508, 13212, 14787, 16461, 18762, 19451, 19716, 21653, 21948, 22754, 28143, 29574, 32922, 34131, 37524, 38902, 43306, 45508, 56286, 58353, 59148, 64959, 65844, 68262, 77804, 86612, 96937, 102393, 112572, 116706, 129918, 136524, 175059, 193874, 194877, 204786, 233412, 259836, 290811, 350118, 387748, 389754, 409572, 581622, 602981, 671243, 700236, 779508, 872433, 1147609, 1163244, 1205962, 1342486, 1744866, 1808943, 2013729, 2295218, 2411924, 2684972, 3442827, 3489732, 3617886, 4027458, 4590436, 5426829, 6041187, 6885654, 7235772, 8054916, 10328481, 10853658, 12082374, 13771308, 20656962, 21707316, 24164748, 35575879, 41313924, 71151758, 106727637, 142303516, 213455274, 320182911, 426910548, 640365822, 1280731644]

約数ペア:

[(1, 1280731644), (2, 640365822), (3, 426910548), (4, 320182911), (6, 213455274), (9, 142303516), (12, 106727637), (18, 71151758), (31, 41313924), (36, 35575879), (53, 24164748), (59, 21707316), (62, 20656962), (93, 13771308), (106, 12082374), (118, 10853658), (124, 10328481), (159, 8054916), (177, 7235772), (186, 6885654), (212, 6041187), (236, 5426829), (279, 4590436), (318, 4027458), (354, 3617886), (367, 3489732), (372, 3442827), (477, 2684972), (531, 2411924), (558, 2295218), (636, 2013729), (708, 1808943), (734, 1744866), (954, 1342486), (1062, 1205962), (1101, 1163244), (1116, 1147609), (1468, 872433), (1643, 779508), (1829, 700236), (1908, 671243), (2124, 602981), (2202, 581622), (3127, 409572), (3286, 389754), (3303, 387748), (3658, 350118), (4404, 290811), (4929, 259836), (5487, 233412), (6254, 204786), (6572, 194877), (6606, 193874), (7316, 175059), (9381, 136524), (9858, 129918), (10974, 116706), (11377, 112572), (12508, 102393), (13212, 96937), (14787, 86612), (16461, 77804), (18762, 68262), (19451, 65844), (19716, 64959), (21653, 59148), (21948, 58353), (22754, 56286), (28143, 45508), (29574, 43306), (32922, 38902), (34131, 37524)]