1221440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:375

約数の個数: 56

約数和(自身を含む): 3182112

約数和(自身を除く): 1960672

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, 347, 352, 440, 694, 704, 880, 1388, 1735, 1760, 2776, 3470, 3520, 3817, 5552, 6940, 7634, 11104, 13880, 15268, 19085, 22208, 27760, 30536, 38170, 55520, 61072, 76340, 111040, 122144, 152680, 244288, 305360, 610720, 1221440]

約数ペア:

[(1, 1221440), (2, 610720), (4, 305360), (5, 244288), (8, 152680), (10, 122144), (11, 111040), (16, 76340), (20, 61072), (22, 55520), (32, 38170), (40, 30536), (44, 27760), (55, 22208), (64, 19085), (80, 15268), (88, 13880), (110, 11104), (160, 7634), (176, 6940), (220, 5552), (320, 3817), (347, 3520), (352, 3470), (440, 2776), (694, 1760), (704, 1735), (880, 1388)]