664752780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{8011}}^1$

素因数の和:8487

約数の個数: 72

約数和(自身を含む): 2021043024

約数和(自身を除く): 1356290244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 2305, 2766, 4149, 4610, 5532, 6915, 8011, 8298, 9220, 13830, 16022, 16596, 20745, 24033, 27660, 32044, 40055, 41490, 48066, 72099, 80110, 82980, 96132, 120165, 144198, 160220, 240330, 288396, 360495, 480660, 720990, 1441980, 3693071, 7386142, 11079213, 14772284, 18465355, 22158426, 33237639, 36930710, 44316852, 55396065, 66475278, 73861420, 110792130, 132950556, 166188195, 221584260, 332376390, 664752780]

約数ペア:

[(1, 664752780), (2, 332376390), (3, 221584260), (4, 166188195), (5, 132950556), (6, 110792130), (9, 73861420), (10, 66475278), (12, 55396065), (15, 44316852), (18, 36930710), (20, 33237639), (30, 22158426), (36, 18465355), (45, 14772284), (60, 11079213), (90, 7386142), (180, 3693071), (461, 1441980), (922, 720990), (1383, 480660), (1844, 360495), (2305, 288396), (2766, 240330), (4149, 160220), (4610, 144198), (5532, 120165), (6915, 96132), (8011, 82980), (8298, 80110), (9220, 72099), (13830, 48066), (16022, 41490), (16596, 40055), (20745, 32044), (24033, 27660)]