131451930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2549}}^1$

素因数の和:2756

約数の個数: 64

約数和(自身を含む): 352512000

約数和(自身を除く): 221060070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 382, 573, 955, 1146, 1719, 1910, 2549, 2865, 3438, 5098, 5157, 5730, 7647, 8595, 10314, 12745, 15294, 17190, 22941, 25490, 25785, 38235, 45882, 51570, 68823, 76470, 114705, 137646, 229410, 344115, 486859, 688230, 973718, 1460577, 2434295, 2921154, 4381731, 4868590, 7302885, 8763462, 13145193, 14605770, 21908655, 26290386, 43817310, 65725965, 131451930]

約数ペア:

[(1, 131451930), (2, 65725965), (3, 43817310), (5, 26290386), (6, 21908655), (9, 14605770), (10, 13145193), (15, 8763462), (18, 7302885), (27, 4868590), (30, 4381731), (45, 2921154), (54, 2434295), (90, 1460577), (135, 973718), (191, 688230), (270, 486859), (382, 344115), (573, 229410), (955, 137646), (1146, 114705), (1719, 76470), (1910, 68823), (2549, 51570), (2865, 45882), (3438, 38235), (5098, 25785), (5157, 25490), (5730, 22941), (7647, 17190), (8595, 15294), (10314, 12745)]