257467920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2801}}^1$

素因数の和:3200

約数の個数: 80

約数和(自身を含む): 800520192

約数和(自身を除く): 543052272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 383, 766, 1149, 1532, 1915, 2298, 2801, 3064, 3830, 4596, 5602, 5745, 6128, 7660, 8403, 9192, 11204, 11490, 14005, 15320, 16806, 18384, 22408, 22980, 28010, 30640, 33612, 42015, 44816, 45960, 56020, 67224, 84030, 91920, 112040, 134448, 168060, 224080, 336120, 672240, 1072783, 2145566, 3218349, 4291132, 5363915, 6436698, 8582264, 10727830, 12873396, 16091745, 17164528, 21455660, 25746792, 32183490, 42911320, 51493584, 64366980, 85822640, 128733960, 257467920]

約数ペア:

[(1, 257467920), (2, 128733960), (3, 85822640), (4, 64366980), (5, 51493584), (6, 42911320), (8, 32183490), (10, 25746792), (12, 21455660), (15, 17164528), (16, 16091745), (20, 12873396), (24, 10727830), (30, 8582264), (40, 6436698), (48, 5363915), (60, 4291132), (80, 3218349), (120, 2145566), (240, 1072783), (383, 672240), (766, 336120), (1149, 224080), (1532, 168060), (1915, 134448), (2298, 112040), (2801, 91920), (3064, 84030), (3830, 67224), (4596, 56020), (5602, 45960), (5745, 44816), (6128, 42015), (7660, 33612), (8403, 30640), (9192, 28010), (11204, 22980), (11490, 22408), (14005, 18384), (15320, 16806)]