2021996040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:1023

約数の個数: 128

約数和(自身を含む): 6160734720

約数和(自身を除く): 4138738680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 271, 291, 388, 485, 542, 582, 641, 776, 813, 970, 1084, 1164, 1282, 1355, 1455, 1626, 1923, 1940, 2168, 2328, 2564, 2710, 2910, 3205, 3252, 3846, 3880, 4065, 5128, 5420, 5820, 6410, 6504, 7692, 8130, 9615, 10840, 11640, 12820, 15384, 16260, 19230, 25640, 26287, 32520, 38460, 52574, 62177, 76920, 78861, 105148, 124354, 131435, 157722, 173711, 186531, 210296, 248708, 262870, 310885, 315444, 347422, 373062, 394305, 497416, 521133, 525740, 621770, 630888, 694844, 746124, 788610, 868555, 932655, 1042266, 1051480, 1243540, 1389688, 1492248, 1577220, 1737110, 1865310, 2084532, 2487080, 2605665, 3154440, 3474220, 3730620, 4169064, 5211330, 6948440, 7461240, 10422660, 16849967, 20845320, 33699934, 50549901, 67399868, 84249835, 101099802, 134799736, 168499670, 202199604, 252749505, 336999340, 404399208, 505499010, 673998680, 1010998020, 2021996040]

約数ペア:

[(1, 2021996040), (2, 1010998020), (3, 673998680), (4, 505499010), (5, 404399208), (6, 336999340), (8, 252749505), (10, 202199604), (12, 168499670), (15, 134799736), (20, 101099802), (24, 84249835), (30, 67399868), (40, 50549901), (60, 33699934), (97, 20845320), (120, 16849967), (194, 10422660), (271, 7461240), (291, 6948440), (388, 5211330), (485, 4169064), (542, 3730620), (582, 3474220), (641, 3154440), (776, 2605665), (813, 2487080), (970, 2084532), (1084, 1865310), (1164, 1737110), (1282, 1577220), (1355, 1492248), (1455, 1389688), (1626, 1243540), (1923, 1051480), (1940, 1042266), (2168, 932655), (2328, 868555), (2564, 788610), (2710, 746124), (2910, 694844), (3205, 630888), (3252, 621770), (3846, 525740), (3880, 521133), (4065, 497416), (5128, 394305), (5420, 373062), (5820, 347422), (6410, 315444), (6504, 310885), (7692, 262870), (8130, 248708), (9615, 210296), (10840, 186531), (11640, 173711), (12820, 157722), (15384, 131435), (16260, 124354), (19230, 105148), (25640, 78861), (26287, 76920), (32520, 62177), (38460, 52574)]