55919220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 180074496

約数和(自身を除く): 124155276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 211, 420, 422, 631, 633, 844, 1055, 1262, 1266, 1477, 1893, 2110, 2524, 2532, 2954, 3155, 3165, 3786, 4220, 4417, 4431, 5908, 6310, 6330, 7385, 7572, 8834, 8862, 9465, 12620, 12660, 13251, 14770, 17668, 17724, 18930, 22085, 22155, 26502, 29540, 37860, 44170, 44310, 53004, 66255, 88340, 88620, 132510, 133141, 265020, 266282, 399423, 532564, 665705, 798846, 931987, 1331410, 1597692, 1863974, 1997115, 2662820, 2795961, 3727948, 3994230, 4659935, 5591922, 7988460, 9319870, 11183844, 13979805, 18639740, 27959610, 55919220]

約数ペア:

[(1, 55919220), (2, 27959610), (3, 18639740), (4, 13979805), (5, 11183844), (6, 9319870), (7, 7988460), (10, 5591922), (12, 4659935), (14, 3994230), (15, 3727948), (20, 2795961), (21, 2662820), (28, 1997115), (30, 1863974), (35, 1597692), (42, 1331410), (60, 931987), (70, 798846), (84, 665705), (105, 532564), (140, 399423), (210, 266282), (211, 265020), (420, 133141), (422, 132510), (631, 88620), (633, 88340), (844, 66255), (1055, 53004), (1262, 44310), (1266, 44170), (1477, 37860), (1893, 29540), (2110, 26502), (2524, 22155), (2532, 22085), (2954, 18930), (3155, 17724), (3165, 17668), (3786, 14770), (4220, 13251), (4417, 12660), (4431, 12620), (5908, 9465), (6310, 8862), (6330, 8834), (7385, 7572)]