127240720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 314979840

約数和(自身を除く): 187739120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 863, 970, 1520, 1552, 1726, 1843, 1940, 3452, 3686, 3880, 4315, 6904, 7372, 7760, 8630, 9215, 13808, 14744, 16397, 17260, 18430, 29488, 32794, 34520, 36860, 65588, 69040, 73720, 81985, 83711, 131176, 147440, 163970, 167422, 262352, 327940, 334844, 418555, 655880, 669688, 837110, 1311760, 1339376, 1590509, 1674220, 3181018, 3348440, 6362036, 6696880, 7952545, 12724072, 15905090, 25448144, 31810180, 63620360, 127240720]

約数ペア:

[(1, 127240720), (2, 63620360), (4, 31810180), (5, 25448144), (8, 15905090), (10, 12724072), (16, 7952545), (19, 6696880), (20, 6362036), (38, 3348440), (40, 3181018), (76, 1674220), (80, 1590509), (95, 1339376), (97, 1311760), (152, 837110), (190, 669688), (194, 655880), (304, 418555), (380, 334844), (388, 327940), (485, 262352), (760, 167422), (776, 163970), (863, 147440), (970, 131176), (1520, 83711), (1552, 81985), (1726, 73720), (1843, 69040), (1940, 65588), (3452, 36860), (3686, 34520), (3880, 32794), (4315, 29488), (6904, 18430), (7372, 17260), (7760, 16397), (8630, 14744), (9215, 13808)]