128029960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 302227200

約数和(自身を除く): 174197240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 317, 439, 460, 634, 878, 920, 1268, 1585, 1756, 2195, 2536, 3170, 3512, 4390, 6340, 7291, 8780, 10097, 12680, 14582, 17560, 20194, 29164, 36455, 40388, 50485, 58328, 72910, 80776, 100970, 139163, 145820, 201940, 278326, 291640, 403880, 556652, 695815, 1113304, 1391630, 2783260, 3200749, 5566520, 6401498, 12802996, 16003745, 25605992, 32007490, 64014980, 128029960]

約数ペア:

[(1, 128029960), (2, 64014980), (4, 32007490), (5, 25605992), (8, 16003745), (10, 12802996), (20, 6401498), (23, 5566520), (40, 3200749), (46, 2783260), (92, 1391630), (115, 1113304), (184, 695815), (230, 556652), (317, 403880), (439, 291640), (460, 278326), (634, 201940), (878, 145820), (920, 139163), (1268, 100970), (1585, 80776), (1756, 72910), (2195, 58328), (2536, 50485), (3170, 40388), (3512, 36455), (4390, 29164), (6340, 20194), (7291, 17560), (8780, 14582), (10097, 12680)]