157439840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{33931}}^1$

素因数の和:33975

約数の個数: 48

約数和(自身を含む): 384788880

約数和(自身を除く): 227349040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 33931, 67862, 135724, 169655, 271448, 339310, 542896, 678620, 983999, 1085792, 1357240, 1967998, 2714480, 3935996, 4919995, 5428960, 7871992, 9839990, 15743984, 19679980, 31487968, 39359960, 78719920, 157439840]

約数ペア:

[(1, 157439840), (2, 78719920), (4, 39359960), (5, 31487968), (8, 19679980), (10, 15743984), (16, 9839990), (20, 7871992), (29, 5428960), (32, 4919995), (40, 3935996), (58, 2714480), (80, 1967998), (116, 1357240), (145, 1085792), (160, 983999), (232, 678620), (290, 542896), (464, 339310), (580, 271448), (928, 169655), (1160, 135724), (2320, 67862), (4640, 33931)]