128784870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{476981}}^1$

素因数の和:476997

約数の個数: 32

約数和(自身を含む): 343427040

約数和(自身を除く): 214642170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 476981, 953962, 1430943, 2384905, 2861886, 4292829, 4769810, 7154715, 8585658, 12878487, 14309430, 21464145, 25756974, 42928290, 64392435, 128784870]

約数ペア:

[(1, 128784870), (2, 64392435), (3, 42928290), (5, 25756974), (6, 21464145), (9, 14309430), (10, 12878487), (15, 8585658), (18, 7154715), (27, 4769810), (30, 4292829), (45, 2861886), (54, 2384905), (90, 1430943), (135, 953962), (270, 476981)]