204047820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2459}}^1$

素因数の和:2935

約数の個数: 72

約数和(自身を含む): 620539920

約数和(自身を除く): 416492100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 2305, 2459, 2766, 4149, 4610, 4918, 5532, 6915, 7377, 8298, 9220, 9836, 12295, 13830, 14754, 16596, 20745, 22131, 24590, 27660, 29508, 36885, 41490, 44262, 49180, 73770, 82980, 88524, 110655, 147540, 221310, 442620, 1133599, 2267198, 3400797, 4534396, 5667995, 6801594, 10202391, 11335990, 13603188, 17003985, 20404782, 22671980, 34007970, 40809564, 51011955, 68015940, 102023910, 204047820]

約数ペア:

[(1, 204047820), (2, 102023910), (3, 68015940), (4, 51011955), (5, 40809564), (6, 34007970), (9, 22671980), (10, 20404782), (12, 17003985), (15, 13603188), (18, 11335990), (20, 10202391), (30, 6801594), (36, 5667995), (45, 4534396), (60, 3400797), (90, 2267198), (180, 1133599), (461, 442620), (922, 221310), (1383, 147540), (1844, 110655), (2305, 88524), (2459, 82980), (2766, 73770), (4149, 49180), (4610, 44262), (4918, 41490), (5532, 36885), (6915, 29508), (7377, 27660), (8298, 24590), (9220, 22131), (9836, 20745), (12295, 16596), (13830, 14754)]