420120930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{2017}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 1035669888

約数和(自身を除く): 615548958

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 131, 159, 262, 265, 318, 393, 530, 655, 786, 795, 1310, 1590, 1965, 2017, 3930, 4034, 6051, 6943, 10085, 12102, 13886, 20170, 20829, 30255, 34715, 41658, 60510, 69430, 104145, 106901, 208290, 213802, 264227, 320703, 528454, 534505, 641406, 792681, 1069010, 1321135, 1585362, 1603515, 2642270, 3207030, 3963405, 7926810, 14004031, 28008062, 42012093, 70020155, 84024186, 140040310, 210060465, 420120930]

約数ペア:

[(1, 420120930), (2, 210060465), (3, 140040310), (5, 84024186), (6, 70020155), (10, 42012093), (15, 28008062), (30, 14004031), (53, 7926810), (106, 3963405), (131, 3207030), (159, 2642270), (262, 1603515), (265, 1585362), (318, 1321135), (393, 1069010), (530, 792681), (655, 641406), (786, 534505), (795, 528454), (1310, 320703), (1590, 264227), (1965, 213802), (2017, 208290), (3930, 106901), (4034, 104145), (6051, 69430), (6943, 60510), (10085, 41658), (12102, 34715), (13886, 30255), (20170, 20829)]