7218780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5231}}^1$

素因数の和:5266

約数の個数: 48

約数和(自身を含む): 21095424

約数和(自身を除く): 13876644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 5231, 10462, 15693, 20924, 26155, 31386, 52310, 62772, 78465, 104620, 120313, 156930, 240626, 313860, 360939, 481252, 601565, 721878, 1203130, 1443756, 1804695, 2406260, 3609390, 7218780]

約数ペア:

[(1, 7218780), (2, 3609390), (3, 2406260), (4, 1804695), (5, 1443756), (6, 1203130), (10, 721878), (12, 601565), (15, 481252), (20, 360939), (23, 313860), (30, 240626), (46, 156930), (60, 120313), (69, 104620), (92, 78465), (115, 62772), (138, 52310), (230, 31386), (276, 26155), (345, 20924), (460, 15693), (690, 10462), (1380, 5231)]