1089440

素因数分解:

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

素因数の和:645

約数の個数: 48

約数和(自身を含む): 2812320

約数和(自身を除く): 1722880

約数列:

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

約数ペア:

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