2820007305

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1812

約数の個数: 80

約数和(自身を含む): 5218836480

約数和(自身を除く): 2398829175

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 79, 81, 135, 159, 237, 265, 395, 405, 477, 711, 795, 1185, 1431, 1663, 2133, 2385, 3555, 4187, 4293, 4989, 6399, 7155, 8315, 10665, 12561, 14967, 20935, 21465, 24945, 31995, 37683, 44901, 62805, 74835, 88139, 113049, 131377, 134703, 188415, 224505, 264417, 339147, 394131, 440695, 565245, 656885, 673515, 793251, 1182393, 1322085, 1695735, 1970655, 2379753, 3547179, 3966255, 5911965, 6962981, 7139259, 10641537, 11898765, 17735895, 20888943, 34814905, 35696295, 53207685, 62666829, 104444715, 188000487, 313334145, 564001461, 940002435, 2820007305]

約数ペア:

[(1, 2820007305), (3, 940002435), (5, 564001461), (9, 313334145), (15, 188000487), (27, 104444715), (45, 62666829), (53, 53207685), (79, 35696295), (81, 34814905), (135, 20888943), (159, 17735895), (237, 11898765), (265, 10641537), (395, 7139259), (405, 6962981), (477, 5911965), (711, 3966255), (795, 3547179), (1185, 2379753), (1431, 1970655), (1663, 1695735), (2133, 1322085), (2385, 1182393), (3555, 793251), (4187, 673515), (4293, 656885), (4989, 565245), (6399, 440695), (7155, 394131), (8315, 339147), (10665, 264417), (12561, 224505), (14967, 188415), (20935, 134703), (21465, 131377), (24945, 113049), (31995, 88139), (37683, 74835), (44901, 62805)]