81325320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 262051200

約数和(自身を除く): 180725880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 265, 285, 318, 380, 424, 456, 530, 570, 636, 673, 760, 795, 1007, 1060, 1140, 1272, 1346, 1590, 2014, 2019, 2120, 2280, 2692, 3021, 3180, 3365, 4028, 4038, 5035, 5384, 6042, 6360, 6730, 8056, 8076, 10070, 10095, 12084, 12787, 13460, 15105, 16152, 20140, 20190, 24168, 25574, 26920, 30210, 35669, 38361, 40280, 40380, 51148, 60420, 63935, 71338, 76722, 80760, 102296, 107007, 120840, 127870, 142676, 153444, 178345, 191805, 214014, 255740, 285352, 306888, 356690, 383610, 428028, 511480, 535035, 677711, 713380, 767220, 856056, 1070070, 1355422, 1426760, 1534440, 2033133, 2140140, 2710844, 3388555, 4066266, 4280280, 5421688, 6777110, 8132532, 10165665, 13554220, 16265064, 20331330, 27108440, 40662660, 81325320]

約数ペア:

[(1, 81325320), (2, 40662660), (3, 27108440), (4, 20331330), (5, 16265064), (6, 13554220), (8, 10165665), (10, 8132532), (12, 6777110), (15, 5421688), (19, 4280280), (20, 4066266), (24, 3388555), (30, 2710844), (38, 2140140), (40, 2033133), (53, 1534440), (57, 1426760), (60, 1355422), (76, 1070070), (95, 856056), (106, 767220), (114, 713380), (120, 677711), (152, 535035), (159, 511480), (190, 428028), (212, 383610), (228, 356690), (265, 306888), (285, 285352), (318, 255740), (380, 214014), (424, 191805), (456, 178345), (530, 153444), (570, 142676), (636, 127870), (673, 120840), (760, 107007), (795, 102296), (1007, 80760), (1060, 76722), (1140, 71338), (1272, 63935), (1346, 60420), (1590, 51148), (2014, 40380), (2019, 40280), (2120, 38361), (2280, 35669), (2692, 30210), (3021, 26920), (3180, 25574), (3365, 24168), (4028, 20190), (4038, 20140), (5035, 16152), (5384, 15105), (6042, 13460), (6360, 12787), (6730, 12084), (8056, 10095), (8076, 10070)]