91131320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10499}}^1$

素因数の和:10548

約数の個数: 64

約数和(自身を含む): 241920000

約数和(自身を除く): 150788680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 10499, 20998, 41996, 52495, 73493, 83992, 104990, 146986, 209980, 293972, 325469, 367465, 419960, 587944, 650938, 734930, 1301876, 1469860, 1627345, 2278283, 2603752, 2939720, 3254690, 4556566, 6509380, 9113132, 11391415, 13018760, 18226264, 22782830, 45565660, 91131320]

約数ペア:

[(1, 91131320), (2, 45565660), (4, 22782830), (5, 18226264), (7, 13018760), (8, 11391415), (10, 9113132), (14, 6509380), (20, 4556566), (28, 3254690), (31, 2939720), (35, 2603752), (40, 2278283), (56, 1627345), (62, 1469860), (70, 1301876), (124, 734930), (140, 650938), (155, 587944), (217, 419960), (248, 367465), (280, 325469), (310, 293972), (434, 209980), (620, 146986), (868, 104990), (1085, 83992), (1240, 73493), (1736, 52495), (2170, 41996), (4340, 20998), (8680, 10499)]