28515000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1901}}^1$

素因数の和:1930

約数の個数: 80

約数和(自身を含む): 89127720

約数和(自身を除く): 60612720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 1901, 2500, 3000, 3750, 3802, 5000, 5703, 7500, 7604, 9505, 11406, 15000, 15208, 19010, 22812, 28515, 38020, 45624, 47525, 57030, 76040, 95050, 114060, 142575, 190100, 228120, 237625, 285150, 380200, 475250, 570300, 712875, 950500, 1140600, 1188125, 1425750, 1901000, 2376250, 2851500, 3564375, 4752500, 5703000, 7128750, 9505000, 14257500, 28515000]

約数ペア:

[(1, 28515000), (2, 14257500), (3, 9505000), (4, 7128750), (5, 5703000), (6, 4752500), (8, 3564375), (10, 2851500), (12, 2376250), (15, 1901000), (20, 1425750), (24, 1188125), (25, 1140600), (30, 950500), (40, 712875), (50, 570300), (60, 475250), (75, 380200), (100, 285150), (120, 237625), (125, 228120), (150, 190100), (200, 142575), (250, 114060), (300, 95050), (375, 76040), (500, 57030), (600, 47525), (625, 45624), (750, 38020), (1000, 28515), (1250, 22812), (1500, 19010), (1875, 15208), (1901, 15000), (2500, 11406), (3000, 9505), (3750, 7604), (3802, 7500), (5000, 5703)]