65578980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47521}}^1$

素因数の和:47556

約数の個数: 48

約数和(自身を含む): 191608704

約数和(自身を除く): 126029724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 47521, 95042, 142563, 190084, 237605, 285126, 475210, 570252, 712815, 950420, 1092983, 1425630, 2185966, 2851260, 3278949, 4371932, 5464915, 6557898, 10929830, 13115796, 16394745, 21859660, 32789490, 65578980]

約数ペア:

[(1, 65578980), (2, 32789490), (3, 21859660), (4, 16394745), (5, 13115796), (6, 10929830), (10, 6557898), (12, 5464915), (15, 4371932), (20, 3278949), (23, 2851260), (30, 2185966), (46, 1425630), (60, 1092983), (69, 950420), (92, 712815), (115, 570252), (138, 475210), (230, 285126), (276, 237605), (345, 190084), (460, 142563), (690, 95042), (1380, 47521)]