2178880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 5669280

約数和(自身を除く): 3490400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 619, 704, 880, 1238, 1760, 2476, 3095, 3520, 4952, 6190, 6809, 9904, 12380, 13618, 19808, 24760, 27236, 34045, 39616, 49520, 54472, 68090, 99040, 108944, 136180, 198080, 217888, 272360, 435776, 544720, 1089440, 2178880]

約数ペア:

[(1, 2178880), (2, 1089440), (4, 544720), (5, 435776), (8, 272360), (10, 217888), (11, 198080), (16, 136180), (20, 108944), (22, 99040), (32, 68090), (40, 54472), (44, 49520), (55, 39616), (64, 34045), (80, 27236), (88, 24760), (110, 19808), (160, 13618), (176, 12380), (220, 9904), (320, 6809), (352, 6190), (440, 4952), (619, 3520), (704, 3095), (880, 2476), (1238, 1760)]