120871790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 245306880

約数和(自身を除く): 124435090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 337, 403, 445, 674, 806, 890, 1157, 1685, 2015, 2314, 2759, 3370, 4030, 4381, 5518, 5785, 8762, 10447, 11570, 13795, 20894, 21905, 27590, 29993, 35867, 43810, 52235, 59986, 71734, 104470, 135811, 149965, 179335, 271622, 299930, 358670, 389909, 679055, 779818, 929783, 1358110, 1859566, 1949545, 3899090, 4648915, 9297830, 12087179, 24174358, 60435895, 120871790]

約数ペア:

[(1, 120871790), (2, 60435895), (5, 24174358), (10, 12087179), (13, 9297830), (26, 4648915), (31, 3899090), (62, 1949545), (65, 1859566), (89, 1358110), (130, 929783), (155, 779818), (178, 679055), (310, 389909), (337, 358670), (403, 299930), (445, 271622), (674, 179335), (806, 149965), (890, 135811), (1157, 104470), (1685, 71734), (2015, 59986), (2314, 52235), (2759, 43810), (3370, 35867), (4030, 29993), (4381, 27590), (5518, 21905), (5785, 20894), (8762, 13795), (10447, 11570)]