2780241405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1970

約数の個数: 64

約数和(自身を含む): 4819875840

約数和(自身を除く): 2039634435

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 103, 159, 265, 285, 309, 515, 795, 1007, 1545, 1787, 1957, 3021, 5035, 5361, 5459, 5871, 8935, 9785, 15105, 16377, 26805, 27295, 29355, 33953, 81885, 94711, 101859, 103721, 169765, 184061, 284133, 311163, 473555, 509295, 518605, 552183, 920305, 1420665, 1555815, 1799509, 2760915, 3497159, 5398527, 8997545, 9755233, 10491477, 17485795, 26992635, 29265699, 48776165, 52457385, 146328495, 185349427, 556048281, 926747135, 2780241405]

約数ペア:

[(1, 2780241405), (3, 926747135), (5, 556048281), (15, 185349427), (19, 146328495), (53, 52457385), (57, 48776165), (95, 29265699), (103, 26992635), (159, 17485795), (265, 10491477), (285, 9755233), (309, 8997545), (515, 5398527), (795, 3497159), (1007, 2760915), (1545, 1799509), (1787, 1555815), (1957, 1420665), (3021, 920305), (5035, 552183), (5361, 518605), (5459, 509295), (5871, 473555), (8935, 311163), (9785, 284133), (15105, 184061), (16377, 169765), (26805, 103721), (27295, 101859), (29355, 94711), (33953, 81885)]