128343060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3583}}^1$

素因数の和:3797

約数の個数: 72

約数和(自身を含む): 391372800

約数和(自身を除く): 263029740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3583, 3980, 5970, 7164, 7166, 8955, 10749, 11940, 14332, 17910, 17915, 21498, 32247, 35820, 35830, 42996, 53745, 64494, 71660, 107490, 128988, 161235, 214980, 322470, 644940, 713017, 1426034, 2139051, 2852068, 3565085, 4278102, 6417153, 7130170, 8556204, 10695255, 12834306, 14260340, 21390510, 25668612, 32085765, 42781020, 64171530, 128343060]

約数ペア:

[(1, 128343060), (2, 64171530), (3, 42781020), (4, 32085765), (5, 25668612), (6, 21390510), (9, 14260340), (10, 12834306), (12, 10695255), (15, 8556204), (18, 7130170), (20, 6417153), (30, 4278102), (36, 3565085), (45, 2852068), (60, 2139051), (90, 1426034), (180, 713017), (199, 644940), (398, 322470), (597, 214980), (796, 161235), (995, 128988), (1194, 107490), (1791, 71660), (1990, 64494), (2388, 53745), (2985, 42996), (3582, 35830), (3583, 35820), (3980, 32247), (5970, 21498), (7164, 17915), (7166, 17910), (8955, 14332), (10749, 11940)]