28333260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 96

約数和(自身を含む): 89510400

約数和(自身を除く): 61177140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 739, 852, 1065, 1278, 1420, 1478, 1917, 2130, 2217, 2556, 2956, 3195, 3695, 3834, 4260, 4434, 6390, 6651, 7390, 7668, 8868, 9585, 11085, 12780, 13302, 14780, 19170, 19953, 22170, 26604, 33255, 38340, 39906, 44340, 52469, 66510, 79812, 99765, 104938, 133020, 157407, 199530, 209876, 262345, 314814, 399060, 472221, 524690, 629628, 787035, 944442, 1049380, 1416663, 1574070, 1888884, 2361105, 2833326, 3148140, 4722210, 5666652, 7083315, 9444420, 14166630, 28333260]

約数ペア:

[(1, 28333260), (2, 14166630), (3, 9444420), (4, 7083315), (5, 5666652), (6, 4722210), (9, 3148140), (10, 2833326), (12, 2361105), (15, 1888884), (18, 1574070), (20, 1416663), (27, 1049380), (30, 944442), (36, 787035), (45, 629628), (54, 524690), (60, 472221), (71, 399060), (90, 314814), (108, 262345), (135, 209876), (142, 199530), (180, 157407), (213, 133020), (270, 104938), (284, 99765), (355, 79812), (426, 66510), (540, 52469), (639, 44340), (710, 39906), (739, 38340), (852, 33255), (1065, 26604), (1278, 22170), (1420, 19953), (1478, 19170), (1917, 14780), (2130, 13302), (2217, 12780), (2556, 11085), (2956, 9585), (3195, 8868), (3695, 7668), (3834, 7390), (4260, 6651), (4434, 6390)]