80180940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 266902272

約数和(自身を除く): 186721332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 227, 290, 348, 406, 420, 435, 454, 580, 609, 681, 812, 841, 870, 908, 1015, 1135, 1218, 1362, 1589, 1682, 1740, 2030, 2270, 2436, 2523, 2724, 3045, 3178, 3364, 3405, 4060, 4205, 4540, 4767, 5046, 5887, 6090, 6356, 6583, 6810, 7945, 8410, 9534, 10092, 11774, 12180, 12615, 13166, 13620, 15890, 16820, 17661, 19068, 19749, 23548, 23835, 25230, 26332, 29435, 31780, 32915, 35322, 39498, 46081, 47670, 50460, 58870, 65830, 70644, 78996, 88305, 92162, 95340, 98745, 117740, 131660, 138243, 176610, 184324, 190907, 197490, 230405, 276486, 353220, 381814, 394980, 460810, 552972, 572721, 691215, 763628, 921620, 954535, 1145442, 1336349, 1382430, 1909070, 2290884, 2672698, 2764860, 2863605, 3818140, 4009047, 5345396, 5727210, 6681745, 8018094, 11454420, 13363490, 16036188, 20045235, 26726980, 40090470, 80180940]

約数ペア:

[(1, 80180940), (2, 40090470), (3, 26726980), (4, 20045235), (5, 16036188), (6, 13363490), (7, 11454420), (10, 8018094), (12, 6681745), (14, 5727210), (15, 5345396), (20, 4009047), (21, 3818140), (28, 2863605), (29, 2764860), (30, 2672698), (35, 2290884), (42, 1909070), (58, 1382430), (60, 1336349), (70, 1145442), (84, 954535), (87, 921620), (105, 763628), (116, 691215), (140, 572721), (145, 552972), (174, 460810), (203, 394980), (210, 381814), (227, 353220), (290, 276486), (348, 230405), (406, 197490), (420, 190907), (435, 184324), (454, 176610), (580, 138243), (609, 131660), (681, 117740), (812, 98745), (841, 95340), (870, 92162), (908, 88305), (1015, 78996), (1135, 70644), (1218, 65830), (1362, 58870), (1589, 50460), (1682, 47670), (1740, 46081), (2030, 39498), (2270, 35322), (2436, 32915), (2523, 31780), (2724, 29435), (3045, 26332), (3178, 25230), (3364, 23835), (3405, 23548), (4060, 19749), (4205, 19068), (4540, 17661), (4767, 16820), (5046, 15890), (5887, 13620), (6090, 13166), (6356, 12615), (6583, 12180), (6810, 11774), (7945, 10092), (8410, 9534)]