31278750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 82473600

約数和(自身を除く): 51194850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 375, 439, 475, 570, 625, 750, 878, 950, 1250, 1317, 1425, 1875, 2195, 2375, 2634, 2850, 3750, 4390, 4750, 6585, 7125, 8341, 10975, 11875, 13170, 14250, 16682, 21950, 23750, 25023, 32925, 35625, 41705, 50046, 54875, 65850, 71250, 83410, 109750, 125115, 164625, 208525, 250230, 274375, 329250, 417050, 548750, 625575, 823125, 1042625, 1251150, 1646250, 2085250, 3127875, 5213125, 6255750, 10426250, 15639375, 31278750]

約数ペア:

[(1, 31278750), (2, 15639375), (3, 10426250), (5, 6255750), (6, 5213125), (10, 3127875), (15, 2085250), (19, 1646250), (25, 1251150), (30, 1042625), (38, 823125), (50, 625575), (57, 548750), (75, 417050), (95, 329250), (114, 274375), (125, 250230), (150, 208525), (190, 164625), (250, 125115), (285, 109750), (375, 83410), (439, 71250), (475, 65850), (570, 54875), (625, 50046), (750, 41705), (878, 35625), (950, 32925), (1250, 25023), (1317, 23750), (1425, 21950), (1875, 16682), (2195, 14250), (2375, 13170), (2634, 11875), (2850, 10975), (3750, 8341), (4390, 7125), (4750, 6585)]