1898573580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{390653}}^1$

素因数の和:390677

約数の個数: 72

約数和(自身を含む): 5972318352

約数和(自身を除く): 4073744772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 390653, 781306, 1171959, 1562612, 1953265, 2343918, 3515877, 3906530, 4687836, 5859795, 7031754, 7813060, 10547631, 11719590, 14063508, 17579385, 21095262, 23439180, 31642893, 35158770, 42190524, 52738155, 63285786, 70317540, 94928679, 105476310, 126571572, 158214465, 189857358, 210952620, 316428930, 379714716, 474643395, 632857860, 949286790, 1898573580]

約数ペア:

[(1, 1898573580), (2, 949286790), (3, 632857860), (4, 474643395), (5, 379714716), (6, 316428930), (9, 210952620), (10, 189857358), (12, 158214465), (15, 126571572), (18, 105476310), (20, 94928679), (27, 70317540), (30, 63285786), (36, 52738155), (45, 42190524), (54, 35158770), (60, 31642893), (81, 23439180), (90, 21095262), (108, 17579385), (135, 14063508), (162, 11719590), (180, 10547631), (243, 7813060), (270, 7031754), (324, 5859795), (405, 4687836), (486, 3906530), (540, 3515877), (810, 2343918), (972, 1953265), (1215, 1562612), (1620, 1171959), (2430, 781306), (4860, 390653)]