280945512

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{21799}}^1$

素因数の和:21990

約数の個数: 48

約数和(自身を含む): 765180000

約数和(自身を除く): 484234488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1432, 1611, 2148, 3222, 4296, 6444, 12888, 21799, 43598, 65397, 87196, 130794, 174392, 196191, 261588, 392382, 523176, 784764, 1569528, 3902021, 7804042, 11706063, 15608084, 23412126, 31216168, 35118189, 46824252, 70236378, 93648504, 140472756, 280945512]

約数ペア:

[(1, 280945512), (2, 140472756), (3, 93648504), (4, 70236378), (6, 46824252), (8, 35118189), (9, 31216168), (12, 23412126), (18, 15608084), (24, 11706063), (36, 7804042), (72, 3902021), (179, 1569528), (358, 784764), (537, 523176), (716, 392382), (1074, 261588), (1432, 196191), (1611, 174392), (2148, 130794), (3222, 87196), (4296, 65397), (6444, 43598), (12888, 21799)]