7779420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3929}}^1$

素因数の和:3955

約数の個数: 72

約数和(自身を含む): 25749360

約数和(自身を除く): 17969940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 3929, 7858, 11787, 15716, 19645, 23574, 35361, 39290, 43219, 47148, 58935, 70722, 78580, 86438, 117870, 129657, 141444, 172876, 176805, 216095, 235740, 259314, 353610, 388971, 432190, 518628, 648285, 707220, 777942, 864380, 1296570, 1555884, 1944855, 2593140, 3889710, 7779420]

約数ペア:

[(1, 7779420), (2, 3889710), (3, 2593140), (4, 1944855), (5, 1555884), (6, 1296570), (9, 864380), (10, 777942), (11, 707220), (12, 648285), (15, 518628), (18, 432190), (20, 388971), (22, 353610), (30, 259314), (33, 235740), (36, 216095), (44, 176805), (45, 172876), (55, 141444), (60, 129657), (66, 117870), (90, 86438), (99, 78580), (110, 70722), (132, 58935), (165, 47148), (180, 43219), (198, 39290), (220, 35361), (330, 23574), (396, 19645), (495, 15716), (660, 11787), (990, 7858), (1980, 3929)]