2019901980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{265079}}^1$

素因数の和:265218

約数の個数: 48

約数和(自身を含む): 5700280320

約数和(自身を除く): 3680378340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 265079, 530158, 795237, 1060316, 1325395, 1590474, 2650790, 3180948, 3976185, 5301580, 7952370, 15904740, 33665033, 67330066, 100995099, 134660132, 168325165, 201990198, 336650330, 403980396, 504975495, 673300660, 1009950990, 2019901980]

約数ペア:

[(1, 2019901980), (2, 1009950990), (3, 673300660), (4, 504975495), (5, 403980396), (6, 336650330), (10, 201990198), (12, 168325165), (15, 134660132), (20, 100995099), (30, 67330066), (60, 33665033), (127, 15904740), (254, 7952370), (381, 5301580), (508, 3976185), (635, 3180948), (762, 2650790), (1270, 1590474), (1524, 1325395), (1905, 1060316), (2540, 795237), (3810, 530158), (7620, 265079)]