2561158440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{790481}}^1$

素因数の和:790504

約数の個数: 80

約数和(自身を含む): 8608348980

約数和(自身を除く): 6047190540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 790481, 1580962, 2371443, 3161924, 3952405, 4742886, 6323848, 7114329, 7904810, 9485772, 11857215, 14228658, 15809620, 18971544, 21342987, 23714430, 28457316, 31619240, 35571645, 42685974, 47428860, 56914632, 64028961, 71143290, 85371948, 94857720, 106714935, 128057922, 142286580, 170743896, 213429870, 256115844, 284573160, 320144805, 426859740, 512231688, 640289610, 853719480, 1280579220, 2561158440]

約数ペア:

[(1, 2561158440), (2, 1280579220), (3, 853719480), (4, 640289610), (5, 512231688), (6, 426859740), (8, 320144805), (9, 284573160), (10, 256115844), (12, 213429870), (15, 170743896), (18, 142286580), (20, 128057922), (24, 106714935), (27, 94857720), (30, 85371948), (36, 71143290), (40, 64028961), (45, 56914632), (54, 47428860), (60, 42685974), (72, 35571645), (81, 31619240), (90, 28457316), (108, 23714430), (120, 21342987), (135, 18971544), (162, 15809620), (180, 14228658), (216, 11857215), (270, 9485772), (324, 7904810), (360, 7114329), (405, 6323848), (540, 4742886), (648, 3952405), (810, 3161924), (1080, 2371443), (1620, 1580962), (3240, 790481)]