127936720

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3469}}^1$

素因数の和:3943

約数の個数: 40

約数和(自身を含む): 298184040

約数和(自身を除く): 170247320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3469, 3688, 4610, 6938, 7376, 9220, 13876, 17345, 18440, 27752, 34690, 36880, 55504, 69380, 138760, 277520, 1599209, 3198418, 6396836, 7996045, 12793672, 15992090, 25587344, 31984180, 63968360, 127936720]

約数ペア:

[(1, 127936720), (2, 63968360), (4, 31984180), (5, 25587344), (8, 15992090), (10, 12793672), (16, 7996045), (20, 6396836), (40, 3198418), (80, 1599209), (461, 277520), (922, 138760), (1844, 69380), (2305, 55504), (3469, 36880), (3688, 34690), (4610, 27752), (6938, 18440), (7376, 17345), (9220, 13876)]