91845880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 237127680

約数和(自身を除く): 145281800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 991, 1324, 1655, 1982, 2317, 2648, 3310, 3964, 4634, 4955, 6620, 6937, 7928, 9268, 9910, 11585, 13240, 13874, 18536, 19820, 23170, 27748, 34685, 39640, 46340, 55496, 69370, 92680, 138740, 277480, 328021, 656042, 1312084, 1640105, 2296147, 2624168, 3280210, 4592294, 6560420, 9184588, 11480735, 13120840, 18369176, 22961470, 45922940, 91845880]

約数ペア:

[(1, 91845880), (2, 45922940), (4, 22961470), (5, 18369176), (7, 13120840), (8, 11480735), (10, 9184588), (14, 6560420), (20, 4592294), (28, 3280210), (35, 2624168), (40, 2296147), (56, 1640105), (70, 1312084), (140, 656042), (280, 328021), (331, 277480), (662, 138740), (991, 92680), (1324, 69370), (1655, 55496), (1982, 46340), (2317, 39640), (2648, 34685), (3310, 27748), (3964, 23170), (4634, 19820), (4955, 18536), (6620, 13874), (6937, 13240), (7928, 11585), (9268, 9910)]