123920720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20117}}^1$

素因数の和:20148

約数の個数: 80

約数和(自身を含む): 359227008

約数和(自身を除く): 235306288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 20117, 40234, 80468, 100585, 140819, 160936, 201170, 221287, 281638, 321872, 402340, 442574, 563276, 704095, 804680, 885148, 1106435, 1126552, 1408190, 1549009, 1609360, 1770296, 2212870, 2253104, 2816380, 3098018, 3540592, 4425740, 5632760, 6196036, 7745045, 8851480, 11265520, 12392072, 15490090, 17702960, 24784144, 30980180, 61960360, 123920720]

約数ペア:

[(1, 123920720), (2, 61960360), (4, 30980180), (5, 24784144), (7, 17702960), (8, 15490090), (10, 12392072), (11, 11265520), (14, 8851480), (16, 7745045), (20, 6196036), (22, 5632760), (28, 4425740), (35, 3540592), (40, 3098018), (44, 2816380), (55, 2253104), (56, 2212870), (70, 1770296), (77, 1609360), (80, 1549009), (88, 1408190), (110, 1126552), (112, 1106435), (140, 885148), (154, 804680), (176, 704095), (220, 563276), (280, 442574), (308, 402340), (385, 321872), (440, 281638), (560, 221287), (616, 201170), (770, 160936), (880, 140819), (1232, 100585), (1540, 80468), (3080, 40234), (6160, 20117)]