1286444120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{66863}}^1$

素因数の和:66924

約数の個数: 64

約数和(自身を含む): 3201448320

約数和(自身を除く): 1915004200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 66863, 133726, 267452, 334315, 534904, 668630, 869219, 1337260, 1738438, 2473931, 2674520, 3476876, 4346095, 4947862, 6953752, 8692190, 9895724, 12369655, 17384380, 19791448, 24739310, 32161103, 34768760, 49478620, 64322206, 98957240, 128644412, 160805515, 257288824, 321611030, 643222060, 1286444120]

約数ペア:

[(1, 1286444120), (2, 643222060), (4, 321611030), (5, 257288824), (8, 160805515), (10, 128644412), (13, 98957240), (20, 64322206), (26, 49478620), (37, 34768760), (40, 32161103), (52, 24739310), (65, 19791448), (74, 17384380), (104, 12369655), (130, 9895724), (148, 8692190), (185, 6953752), (260, 4947862), (296, 4346095), (370, 3476876), (481, 2674520), (520, 2473931), (740, 1738438), (962, 1337260), (1480, 869219), (1924, 668630), (2405, 534904), (3848, 334315), (4810, 267452), (9620, 133726), (19240, 66863)]