255207120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151909}}^1$

素因数の和:151932

約数の個数: 80

約数和(自身を含む): 904168320

約数和(自身を除く): 648961200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151909, 303818, 455727, 607636, 759545, 911454, 1063363, 1215272, 1519090, 1822908, 2126726, 2278635, 2430544, 3038180, 3190089, 3645816, 4253452, 4557270, 5316815, 6076360, 6380178, 7291632, 8506904, 9114540, 10633630, 12152720, 12760356, 15950445, 17013808, 18229080, 21267260, 25520712, 31900890, 36458160, 42534520, 51041424, 63801780, 85069040, 127603560, 255207120]

約数ペア:

[(1, 255207120), (2, 127603560), (3, 85069040), (4, 63801780), (5, 51041424), (6, 42534520), (7, 36458160), (8, 31900890), (10, 25520712), (12, 21267260), (14, 18229080), (15, 17013808), (16, 15950445), (20, 12760356), (21, 12152720), (24, 10633630), (28, 9114540), (30, 8506904), (35, 7291632), (40, 6380178), (42, 6076360), (48, 5316815), (56, 4557270), (60, 4253452), (70, 3645816), (80, 3190089), (84, 3038180), (105, 2430544), (112, 2278635), (120, 2126726), (140, 1822908), (168, 1519090), (210, 1215272), (240, 1063363), (280, 911454), (336, 759545), (420, 607636), (560, 455727), (840, 303818), (1680, 151909)]