84999780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 270768960

約数和(自身を除く): 185769180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 739, 810, 852, 1065, 1278, 1420, 1478, 1620, 1917, 2130, 2217, 2556, 2956, 3195, 3695, 3834, 4260, 4434, 5751, 6390, 6651, 7390, 7668, 8868, 9585, 11085, 11502, 12780, 13302, 14780, 19170, 19953, 22170, 23004, 26604, 28755, 33255, 38340, 39906, 44340, 52469, 57510, 59859, 66510, 79812, 99765, 104938, 115020, 119718, 133020, 157407, 199530, 209876, 239436, 262345, 299295, 314814, 399060, 472221, 524690, 598590, 629628, 787035, 944442, 1049380, 1197180, 1416663, 1574070, 1888884, 2361105, 2833326, 3148140, 4249989, 4722210, 5666652, 7083315, 8499978, 9444420, 14166630, 16999956, 21249945, 28333260, 42499890, 84999780]

約数ペア:

[(1, 84999780), (2, 42499890), (3, 28333260), (4, 21249945), (5, 16999956), (6, 14166630), (9, 9444420), (10, 8499978), (12, 7083315), (15, 5666652), (18, 4722210), (20, 4249989), (27, 3148140), (30, 2833326), (36, 2361105), (45, 1888884), (54, 1574070), (60, 1416663), (71, 1197180), (81, 1049380), (90, 944442), (108, 787035), (135, 629628), (142, 598590), (162, 524690), (180, 472221), (213, 399060), (270, 314814), (284, 299295), (324, 262345), (355, 239436), (405, 209876), (426, 199530), (540, 157407), (639, 133020), (710, 119718), (739, 115020), (810, 104938), (852, 99765), (1065, 79812), (1278, 66510), (1420, 59859), (1478, 57510), (1620, 52469), (1917, 44340), (2130, 39906), (2217, 38340), (2556, 33255), (2956, 28755), (3195, 26604), (3695, 23004), (3834, 22170), (4260, 19953), (4434, 19170), (5751, 14780), (6390, 13302), (6651, 12780), (7390, 11502), (7668, 11085), (8868, 9585)]