278313210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4289}}^1$

素因数の和:4412

約数の個数: 96

約数和(自身を含む): 835211520

約数和(自身を除く): 556898310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 103, 105, 126, 206, 210, 309, 315, 515, 618, 630, 721, 927, 1030, 1442, 1545, 1854, 2163, 3090, 3605, 4289, 4326, 4635, 6489, 7210, 8578, 9270, 10815, 12867, 12978, 21445, 21630, 25734, 30023, 32445, 38601, 42890, 60046, 64335, 64890, 77202, 90069, 128670, 150115, 180138, 193005, 270207, 300230, 386010, 441767, 450345, 540414, 883534, 900690, 1325301, 1351035, 2208835, 2650602, 2702070, 3092369, 3975903, 4417670, 6184738, 6626505, 7951806, 9277107, 13253010, 15461845, 18554214, 19879515, 27831321, 30923690, 39759030, 46385535, 55662642, 92771070, 139156605, 278313210]

約数ペア:

[(1, 278313210), (2, 139156605), (3, 92771070), (5, 55662642), (6, 46385535), (7, 39759030), (9, 30923690), (10, 27831321), (14, 19879515), (15, 18554214), (18, 15461845), (21, 13253010), (30, 9277107), (35, 7951806), (42, 6626505), (45, 6184738), (63, 4417670), (70, 3975903), (90, 3092369), (103, 2702070), (105, 2650602), (126, 2208835), (206, 1351035), (210, 1325301), (309, 900690), (315, 883534), (515, 540414), (618, 450345), (630, 441767), (721, 386010), (927, 300230), (1030, 270207), (1442, 193005), (1545, 180138), (1854, 150115), (2163, 128670), (3090, 90069), (3605, 77202), (4289, 64890), (4326, 64335), (4635, 60046), (6489, 42890), (7210, 38601), (8578, 32445), (9270, 30023), (10815, 25734), (12867, 21630), (12978, 21445)]