31173660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2777

約数の個数: 120

約数和(自身を含む): 111804000

約数和(自身を除く): 80630340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2749, 2835, 3780, 5498, 5670, 8247, 10996, 11340, 13745, 16494, 19243, 24741, 27490, 32988, 38486, 41235, 49482, 54980, 57729, 74223, 76972, 82470, 96215, 98964, 115458, 123705, 148446, 164940, 173187, 192430, 222669, 230916, 247410, 288645, 296892, 346374, 371115, 384860, 445338, 494820, 519561, 577290, 692748, 742230, 865935, 890676, 1039122, 1113345, 1154580, 1484460, 1558683, 1731870, 2078244, 2226690, 2597805, 3117366, 3463740, 4453380, 5195610, 6234732, 7793415, 10391220, 15586830, 31173660]

約数ペア:

[(1, 31173660), (2, 15586830), (3, 10391220), (4, 7793415), (5, 6234732), (6, 5195610), (7, 4453380), (9, 3463740), (10, 3117366), (12, 2597805), (14, 2226690), (15, 2078244), (18, 1731870), (20, 1558683), (21, 1484460), (27, 1154580), (28, 1113345), (30, 1039122), (35, 890676), (36, 865935), (42, 742230), (45, 692748), (54, 577290), (60, 519561), (63, 494820), (70, 445338), (81, 384860), (84, 371115), (90, 346374), (105, 296892), (108, 288645), (126, 247410), (135, 230916), (140, 222669), (162, 192430), (180, 173187), (189, 164940), (210, 148446), (252, 123705), (270, 115458), (315, 98964), (324, 96215), (378, 82470), (405, 76972), (420, 74223), (540, 57729), (567, 54980), (630, 49482), (756, 41235), (810, 38486), (945, 32988), (1134, 27490), (1260, 24741), (1620, 19243), (1890, 16494), (2268, 13745), (2749, 11340), (2835, 10996), (3780, 8247), (5498, 5670)]