64564280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7723}}^1$

素因数の和:7764

約数の個数: 64

約数和(自身を含む): 166838400

約数和(自身を除く): 102274120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 7723, 8360, 15446, 30892, 38615, 61784, 77230, 84953, 146737, 154460, 169906, 293474, 308920, 339812, 424765, 586948, 679624, 733685, 849530, 1173896, 1467370, 1614107, 1699060, 2934740, 3228214, 3398120, 5869480, 6456428, 8070535, 12912856, 16141070, 32282140, 64564280]

約数ペア:

[(1, 64564280), (2, 32282140), (4, 16141070), (5, 12912856), (8, 8070535), (10, 6456428), (11, 5869480), (19, 3398120), (20, 3228214), (22, 2934740), (38, 1699060), (40, 1614107), (44, 1467370), (55, 1173896), (76, 849530), (88, 733685), (95, 679624), (110, 586948), (152, 424765), (190, 339812), (209, 308920), (220, 293474), (380, 169906), (418, 154460), (440, 146737), (760, 84953), (836, 77230), (1045, 61784), (1672, 38615), (2090, 30892), (4180, 15446), (7723, 8360)]