212799780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16651}}^1$

素因数の和:16737

約数の個数: 72

約数和(自身を含む): 654623424

約数和(自身を除く): 441823644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 16651, 33302, 49953, 66604, 83255, 99906, 149859, 166510, 199812, 249765, 299718, 333020, 499530, 599436, 749295, 999060, 1182221, 1498590, 2364442, 2997180, 3546663, 4728884, 5911105, 7093326, 10639989, 11822210, 14186652, 17733315, 21279978, 23644420, 35466630, 42559956, 53199945, 70933260, 106399890, 212799780]

約数ペア:

[(1, 212799780), (2, 106399890), (3, 70933260), (4, 53199945), (5, 42559956), (6, 35466630), (9, 23644420), (10, 21279978), (12, 17733315), (15, 14186652), (18, 11822210), (20, 10639989), (30, 7093326), (36, 5911105), (45, 4728884), (60, 3546663), (71, 2997180), (90, 2364442), (142, 1498590), (180, 1182221), (213, 999060), (284, 749295), (355, 599436), (426, 499530), (639, 333020), (710, 299718), (852, 249765), (1065, 199812), (1278, 166510), (1420, 149859), (2130, 99906), (2556, 83255), (3195, 66604), (4260, 49953), (6390, 33302), (12780, 16651)]