178147260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3851}}^1$

素因数の和:4123

約数の個数: 72

約数和(自身を含む): 542623536

約数和(自身を除く): 364476276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3851, 3855, 4626, 5140, 7702, 7710, 9252, 11553, 11565, 15404, 15420, 19255, 23106, 23130, 34659, 38510, 46212, 46260, 57765, 69318, 77020, 115530, 138636, 173295, 231060, 346590, 693180, 989707, 1979414, 2969121, 3958828, 4948535, 5938242, 8907363, 9897070, 11876484, 14845605, 17814726, 19794140, 29691210, 35629452, 44536815, 59382420, 89073630, 178147260]

約数ペア:

[(1, 178147260), (2, 89073630), (3, 59382420), (4, 44536815), (5, 35629452), (6, 29691210), (9, 19794140), (10, 17814726), (12, 14845605), (15, 11876484), (18, 9897070), (20, 8907363), (30, 5938242), (36, 4948535), (45, 3958828), (60, 2969121), (90, 1979414), (180, 989707), (257, 693180), (514, 346590), (771, 231060), (1028, 173295), (1285, 138636), (1542, 115530), (2313, 77020), (2570, 69318), (3084, 57765), (3851, 46260), (3855, 46212), (4626, 38510), (5140, 34659), (7702, 23130), (7710, 23106), (9252, 19255), (11553, 15420), (11565, 15404)]