257294520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{102101}}^1$

素因数の和:102125

約数の個数: 96

約数和(自身を含む): 955674720

約数和(自身を除く): 698380200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 102101, 204202, 306303, 408404, 510505, 612606, 714707, 816808, 918909, 1021010, 1225212, 1429414, 1531515, 1837818, 2042020, 2144121, 2450424, 2858828, 3063030, 3573535, 3675636, 4084040, 4288242, 4594545, 5717656, 6126060, 6432363, 7147070, 7351272, 8576484, 9189090, 10720605, 12252120, 12864726, 14294140, 17152968, 18378180, 21441210, 25729452, 28588280, 32161815, 36756360, 42882420, 51458904, 64323630, 85764840, 128647260, 257294520]

約数ペア:

[(1, 257294520), (2, 128647260), (3, 85764840), (4, 64323630), (5, 51458904), (6, 42882420), (7, 36756360), (8, 32161815), (9, 28588280), (10, 25729452), (12, 21441210), (14, 18378180), (15, 17152968), (18, 14294140), (20, 12864726), (21, 12252120), (24, 10720605), (28, 9189090), (30, 8576484), (35, 7351272), (36, 7147070), (40, 6432363), (42, 6126060), (45, 5717656), (56, 4594545), (60, 4288242), (63, 4084040), (70, 3675636), (72, 3573535), (84, 3063030), (90, 2858828), (105, 2450424), (120, 2144121), (126, 2042020), (140, 1837818), (168, 1531515), (180, 1429414), (210, 1225212), (252, 1021010), (280, 918909), (315, 816808), (360, 714707), (420, 612606), (504, 510505), (630, 408404), (840, 306303), (1260, 204202), (2520, 102101)]