258888420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{68489}}^1$

素因数の和:68514

約数の個数: 96

約数和(自身を含む): 920505600

約数和(自身を除く): 661617180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 68489, 136978, 205467, 273956, 342445, 410934, 479423, 616401, 684890, 821868, 958846, 1027335, 1232802, 1369780, 1438269, 1849203, 1917692, 2054670, 2397115, 2465604, 2876538, 3082005, 3698406, 4109340, 4314807, 4794230, 5753076, 6164010, 7191345, 7396812, 8629614, 9246015, 9588460, 12328020, 12944421, 14382690, 17259228, 18492030, 21574035, 25888842, 28765380, 36984060, 43148070, 51777684, 64722105, 86296140, 129444210, 258888420]

約数ペア:

[(1, 258888420), (2, 129444210), (3, 86296140), (4, 64722105), (5, 51777684), (6, 43148070), (7, 36984060), (9, 28765380), (10, 25888842), (12, 21574035), (14, 18492030), (15, 17259228), (18, 14382690), (20, 12944421), (21, 12328020), (27, 9588460), (28, 9246015), (30, 8629614), (35, 7396812), (36, 7191345), (42, 6164010), (45, 5753076), (54, 4794230), (60, 4314807), (63, 4109340), (70, 3698406), (84, 3082005), (90, 2876538), (105, 2465604), (108, 2397115), (126, 2054670), (135, 1917692), (140, 1849203), (180, 1438269), (189, 1369780), (210, 1232802), (252, 1027335), (270, 958846), (315, 821868), (378, 684890), (420, 616401), (540, 479423), (630, 410934), (756, 342445), (945, 273956), (1260, 205467), (1890, 136978), (3780, 68489)]