128071260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{487}}^2$

素因数の和:992

約数の個数: 72

約数和(自身を含む): 399263760

約数和(自身を除く): 271192500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 487, 540, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 13149, 14610, 17532, 21915, 26298, 29220, 43830, 52596, 65745, 87660, 131490, 237169, 262980, 474338, 711507, 948676, 1185845, 1423014, 2134521, 2371690, 2846028, 3557535, 4269042, 4743380, 6403563, 7115070, 8538084, 10672605, 12807126, 14230140, 21345210, 25614252, 32017815, 42690420, 64035630, 128071260]

約数ペア:

[(1, 128071260), (2, 64035630), (3, 42690420), (4, 32017815), (5, 25614252), (6, 21345210), (9, 14230140), (10, 12807126), (12, 10672605), (15, 8538084), (18, 7115070), (20, 6403563), (27, 4743380), (30, 4269042), (36, 3557535), (45, 2846028), (54, 2371690), (60, 2134521), (90, 1423014), (108, 1185845), (135, 948676), (180, 711507), (270, 474338), (487, 262980), (540, 237169), (974, 131490), (1461, 87660), (1948, 65745), (2435, 52596), (2922, 43830), (4383, 29220), (4870, 26298), (5844, 21915), (7305, 17532), (8766, 14610), (9740, 13149)]