261151740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30869}}^1$

素因数の和:30931

約数の個数: 72

約数和(自身を含む): 809040960

約数和(自身を除く): 547889220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 30869, 61738, 92607, 123476, 154345, 185214, 277821, 308690, 370428, 463035, 555642, 617380, 926070, 1111284, 1389105, 1450843, 1852140, 2778210, 2901686, 4352529, 5556420, 5803372, 7254215, 8705058, 13057587, 14508430, 17410116, 21762645, 26115174, 29016860, 43525290, 52230348, 65287935, 87050580, 130575870, 261151740]

約数ペア:

[(1, 261151740), (2, 130575870), (3, 87050580), (4, 65287935), (5, 52230348), (6, 43525290), (9, 29016860), (10, 26115174), (12, 21762645), (15, 17410116), (18, 14508430), (20, 13057587), (30, 8705058), (36, 7254215), (45, 5803372), (47, 5556420), (60, 4352529), (90, 2901686), (94, 2778210), (141, 1852140), (180, 1450843), (188, 1389105), (235, 1111284), (282, 926070), (423, 617380), (470, 555642), (564, 463035), (705, 370428), (846, 308690), (940, 277821), (1410, 185214), (1692, 154345), (2115, 123476), (2820, 92607), (4230, 61738), (8460, 30869)]