1248737220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{20959}}^1$

素因数の和:21305

約数の個数: 72

約数和(自身を含む): 3799461120

約数和(自身を除く): 2550723900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11916, 14895, 19860, 20959, 29790, 41918, 59580, 62877, 83836, 104795, 125754, 188631, 209590, 251508, 314385, 377262, 419180, 628770, 754524, 943155, 1257540, 1886310, 3772620, 6937429, 13874858, 20812287, 27749716, 34687145, 41624574, 62436861, 69374290, 83249148, 104061435, 124873722, 138748580, 208122870, 249747444, 312184305, 416245740, 624368610, 1248737220]

約数ペア:

[(1, 1248737220), (2, 624368610), (3, 416245740), (4, 312184305), (5, 249747444), (6, 208122870), (9, 138748580), (10, 124873722), (12, 104061435), (15, 83249148), (18, 69374290), (20, 62436861), (30, 41624574), (36, 34687145), (45, 27749716), (60, 20812287), (90, 13874858), (180, 6937429), (331, 3772620), (662, 1886310), (993, 1257540), (1324, 943155), (1655, 754524), (1986, 628770), (2979, 419180), (3310, 377262), (3972, 314385), (4965, 251508), (5958, 209590), (6620, 188631), (9930, 125754), (11916, 104795), (14895, 83836), (19860, 62877), (20959, 59580), (29790, 41918)]