249438780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5521}}^1$

素因数の和:5787

約数の個数: 72

約数和(自身を含む): 759783024

約数和(自身を除く): 510344244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 5521, 7530, 9036, 11042, 11295, 15060, 16563, 22084, 22590, 27605, 33126, 45180, 49689, 55210, 66252, 82815, 99378, 110420, 165630, 198756, 248445, 331260, 496890, 993780, 1385771, 2771542, 4157313, 5543084, 6928855, 8314626, 12471939, 13857710, 16629252, 20786565, 24943878, 27715420, 41573130, 49887756, 62359695, 83146260, 124719390, 249438780]

約数ペア:

[(1, 249438780), (2, 124719390), (3, 83146260), (4, 62359695), (5, 49887756), (6, 41573130), (9, 27715420), (10, 24943878), (12, 20786565), (15, 16629252), (18, 13857710), (20, 12471939), (30, 8314626), (36, 6928855), (45, 5543084), (60, 4157313), (90, 2771542), (180, 1385771), (251, 993780), (502, 496890), (753, 331260), (1004, 248445), (1255, 198756), (1506, 165630), (2259, 110420), (2510, 99378), (3012, 82815), (3765, 66252), (4518, 55210), (5020, 49689), (5521, 45180), (7530, 33126), (9036, 27605), (11042, 22590), (11295, 22084), (15060, 16563)]