1287808560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1788623}}^1$

素因数の和:1788642

約数の個数: 60

約数和(自身を含む): 4324892832

約数和(自身を除く): 3037084272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1788623, 3577246, 5365869, 7154492, 8943115, 10731738, 14308984, 16097607, 17886230, 21463476, 26829345, 28617968, 32195214, 35772460, 42926952, 53658690, 64390428, 71544920, 80488035, 85853904, 107317380, 128780856, 143089840, 160976070, 214634760, 257561712, 321952140, 429269520, 643904280, 1287808560]

約数ペア:

[(1, 1287808560), (2, 643904280), (3, 429269520), (4, 321952140), (5, 257561712), (6, 214634760), (8, 160976070), (9, 143089840), (10, 128780856), (12, 107317380), (15, 85853904), (16, 80488035), (18, 71544920), (20, 64390428), (24, 53658690), (30, 42926952), (36, 35772460), (40, 32195214), (45, 28617968), (48, 26829345), (60, 21463476), (72, 17886230), (80, 16097607), (90, 14308984), (120, 10731738), (144, 8943115), (180, 7154492), (240, 5365869), (360, 3577246), (720, 1788623)]