161150440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1193}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 397172160

約数和(自身を除く): 236021720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 307, 440, 614, 1193, 1228, 1535, 2386, 2456, 3070, 3377, 4772, 5965, 6140, 6754, 9544, 11930, 12280, 13123, 13508, 16885, 23860, 26246, 27016, 33770, 47720, 52492, 65615, 67540, 104984, 131230, 135080, 262460, 366251, 524920, 732502, 1465004, 1831255, 2930008, 3662510, 4028761, 7325020, 8057522, 14650040, 16115044, 20143805, 32230088, 40287610, 80575220, 161150440]

約数ペア:

[(1, 161150440), (2, 80575220), (4, 40287610), (5, 32230088), (8, 20143805), (10, 16115044), (11, 14650040), (20, 8057522), (22, 7325020), (40, 4028761), (44, 3662510), (55, 2930008), (88, 1831255), (110, 1465004), (220, 732502), (307, 524920), (440, 366251), (614, 262460), (1193, 135080), (1228, 131230), (1535, 104984), (2386, 67540), (2456, 65615), (3070, 52492), (3377, 47720), (4772, 33770), (5965, 27016), (6140, 26246), (6754, 23860), (9544, 16885), (11930, 13508), (12280, 13123)]