15261880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 36624960

約数和(自身を除く): 21363080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 313, 424, 460, 530, 626, 920, 1060, 1219, 1252, 1565, 2120, 2438, 2504, 3130, 4876, 6095, 6260, 7199, 9752, 12190, 12520, 14398, 16589, 24380, 28796, 33178, 35995, 48760, 57592, 66356, 71990, 82945, 132712, 143980, 165890, 287960, 331780, 381547, 663560, 763094, 1526188, 1907735, 3052376, 3815470, 7630940, 15261880]

約数ペア:

[(1, 15261880), (2, 7630940), (4, 3815470), (5, 3052376), (8, 1907735), (10, 1526188), (20, 763094), (23, 663560), (40, 381547), (46, 331780), (53, 287960), (92, 165890), (106, 143980), (115, 132712), (184, 82945), (212, 71990), (230, 66356), (265, 57592), (313, 48760), (424, 35995), (460, 33178), (530, 28796), (626, 24380), (920, 16589), (1060, 14398), (1219, 12520), (1252, 12190), (1565, 9752), (2120, 7199), (2438, 6260), (2504, 6095), (3130, 4876)]