239398380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 787026240

約数和(自身を除く): 547627860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 263, 389, 390, 468, 526, 585, 778, 780, 789, 1052, 1167, 1170, 1315, 1556, 1578, 1945, 2334, 2340, 2367, 2630, 3156, 3419, 3501, 3890, 3945, 4668, 4734, 5057, 5260, 5835, 6838, 7002, 7780, 7890, 9468, 10114, 10257, 11670, 11835, 13676, 14004, 15171, 15780, 17095, 17505, 20228, 20514, 23340, 23670, 25285, 30342, 30771, 34190, 35010, 41028, 45513, 47340, 50570, 51285, 60684, 61542, 68380, 70020, 75855, 91026, 101140, 102307, 102570, 123084, 151710, 153855, 182052, 204614, 205140, 227565, 303420, 306921, 307710, 409228, 455130, 511535, 613842, 615420, 910260, 920763, 1023070, 1227684, 1329991, 1534605, 1841526, 2046140, 2659982, 3069210, 3683052, 3989973, 4603815, 5319964, 6138420, 6649955, 7979946, 9207630, 11969919, 13299910, 15959892, 18415260, 19949865, 23939838, 26599820, 39899730, 47879676, 59849595, 79799460, 119699190, 239398380]

約数ペア:

[(1, 239398380), (2, 119699190), (3, 79799460), (4, 59849595), (5, 47879676), (6, 39899730), (9, 26599820), (10, 23939838), (12, 19949865), (13, 18415260), (15, 15959892), (18, 13299910), (20, 11969919), (26, 9207630), (30, 7979946), (36, 6649955), (39, 6138420), (45, 5319964), (52, 4603815), (60, 3989973), (65, 3683052), (78, 3069210), (90, 2659982), (117, 2046140), (130, 1841526), (156, 1534605), (180, 1329991), (195, 1227684), (234, 1023070), (260, 920763), (263, 910260), (389, 615420), (390, 613842), (468, 511535), (526, 455130), (585, 409228), (778, 307710), (780, 306921), (789, 303420), (1052, 227565), (1167, 205140), (1170, 204614), (1315, 182052), (1556, 153855), (1578, 151710), (1945, 123084), (2334, 102570), (2340, 102307), (2367, 101140), (2630, 91026), (3156, 75855), (3419, 70020), (3501, 68380), (3890, 61542), (3945, 60684), (4668, 51285), (4734, 50570), (5057, 47340), (5260, 45513), (5835, 41028), (6838, 35010), (7002, 34190), (7780, 30771), (7890, 30342), (9468, 25285), (10114, 23670), (10257, 23340), (11670, 20514), (11835, 20228), (13676, 17505), (14004, 17095), (15171, 15780)]