81150400

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:846

約数の個数: 84

約数和(自身を含む): 202928728

約数和(自身を除く): 121778328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 200, 268, 320, 335, 400, 536, 670, 757, 800, 1072, 1340, 1514, 1600, 1675, 2144, 2680, 3028, 3350, 3785, 4288, 5360, 6056, 6700, 7570, 10720, 12112, 13400, 15140, 18925, 21440, 24224, 26800, 30280, 37850, 48448, 50719, 53600, 60560, 75700, 101438, 107200, 121120, 151400, 202876, 242240, 253595, 302800, 405752, 507190, 605600, 811504, 1014380, 1211200, 1267975, 1623008, 2028760, 2535950, 3246016, 4057520, 5071900, 8115040, 10143800, 16230080, 20287600, 40575200, 81150400]

約数ペア:

[(1, 81150400), (2, 40575200), (4, 20287600), (5, 16230080), (8, 10143800), (10, 8115040), (16, 5071900), (20, 4057520), (25, 3246016), (32, 2535950), (40, 2028760), (50, 1623008), (64, 1267975), (67, 1211200), (80, 1014380), (100, 811504), (134, 605600), (160, 507190), (200, 405752), (268, 302800), (320, 253595), (335, 242240), (400, 202876), (536, 151400), (670, 121120), (757, 107200), (800, 101438), (1072, 75700), (1340, 60560), (1514, 53600), (1600, 50719), (1675, 48448), (2144, 37850), (2680, 30280), (3028, 26800), (3350, 24224), (3785, 21440), (4288, 18925), (5360, 15140), (6056, 13400), (6700, 12112), (7570, 10720)]