75721880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 184584960

約数和(自身を除く): 108863080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 653, 892, 1115, 1306, 1784, 2230, 2612, 2899, 3265, 4460, 5224, 5798, 6530, 8489, 8920, 11596, 13060, 14495, 16978, 23192, 26120, 28990, 33956, 42445, 57980, 67912, 84890, 115960, 145619, 169780, 291238, 339560, 582476, 728095, 1164952, 1456190, 1893047, 2912380, 3786094, 5824760, 7572188, 9465235, 15144376, 18930470, 37860940, 75721880]

約数ペア:

[(1, 75721880), (2, 37860940), (4, 18930470), (5, 15144376), (8, 9465235), (10, 7572188), (13, 5824760), (20, 3786094), (26, 2912380), (40, 1893047), (52, 1456190), (65, 1164952), (104, 728095), (130, 582476), (223, 339560), (260, 291238), (446, 169780), (520, 145619), (653, 115960), (892, 84890), (1115, 67912), (1306, 57980), (1784, 42445), (2230, 33956), (2612, 28990), (2899, 26120), (3265, 23192), (4460, 16978), (5224, 14495), (5798, 13060), (6530, 11596), (8489, 8920)]