12804680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 34473600

約数和(自身を除く): 21668920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 139, 140, 188, 196, 235, 245, 278, 280, 329, 376, 392, 470, 490, 556, 658, 695, 940, 973, 980, 1112, 1316, 1390, 1645, 1880, 1946, 1960, 2303, 2632, 2780, 3290, 3892, 4606, 4865, 5560, 6533, 6580, 6811, 7784, 9212, 9730, 11515, 13066, 13160, 13622, 18424, 19460, 23030, 26132, 27244, 32665, 34055, 38920, 45731, 46060, 52264, 54488, 65330, 68110, 91462, 92120, 130660, 136220, 182924, 228655, 261320, 272440, 320117, 365848, 457310, 640234, 914620, 1280468, 1600585, 1829240, 2560936, 3201170, 6402340, 12804680]

約数ペア:

[(1, 12804680), (2, 6402340), (4, 3201170), (5, 2560936), (7, 1829240), (8, 1600585), (10, 1280468), (14, 914620), (20, 640234), (28, 457310), (35, 365848), (40, 320117), (47, 272440), (49, 261320), (56, 228655), (70, 182924), (94, 136220), (98, 130660), (139, 92120), (140, 91462), (188, 68110), (196, 65330), (235, 54488), (245, 52264), (278, 46060), (280, 45731), (329, 38920), (376, 34055), (392, 32665), (470, 27244), (490, 26132), (556, 23030), (658, 19460), (695, 18424), (940, 13622), (973, 13160), (980, 13066), (1112, 11515), (1316, 9730), (1390, 9212), (1645, 7784), (1880, 6811), (1946, 6580), (1960, 6533), (2303, 5560), (2632, 4865), (2780, 4606), (3290, 3892)]