81853830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2621}}^1$

素因数の和:2981

約数の個数: 48

約数和(自身を含む): 213514704

約数和(自身を除く): 131660874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 694, 1041, 1735, 2082, 2621, 3123, 3470, 5205, 5242, 6246, 7863, 10410, 13105, 15615, 15726, 23589, 26210, 31230, 39315, 47178, 78630, 117945, 235890, 909487, 1818974, 2728461, 4547435, 5456922, 8185383, 9094870, 13642305, 16370766, 27284610, 40926915, 81853830]

約数ペア:

[(1, 81853830), (2, 40926915), (3, 27284610), (5, 16370766), (6, 13642305), (9, 9094870), (10, 8185383), (15, 5456922), (18, 4547435), (30, 2728461), (45, 1818974), (90, 909487), (347, 235890), (694, 117945), (1041, 78630), (1735, 47178), (2082, 39315), (2621, 31230), (3123, 26210), (3470, 23589), (5205, 15726), (5242, 15615), (6246, 13105), (7863, 10410)]