51578520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61403}}^1$

素因数の和:61424

約数の個数: 64

約数和(自身を含む): 176843520

約数和(自身を除く): 125265000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61403, 122806, 184209, 245612, 307015, 368418, 429821, 491224, 614030, 736836, 859642, 921045, 1228060, 1289463, 1473672, 1719284, 1842090, 2149105, 2456120, 2578926, 3438568, 3684180, 4298210, 5157852, 6447315, 7368360, 8596420, 10315704, 12894630, 17192840, 25789260, 51578520]

約数ペア:

[(1, 51578520), (2, 25789260), (3, 17192840), (4, 12894630), (5, 10315704), (6, 8596420), (7, 7368360), (8, 6447315), (10, 5157852), (12, 4298210), (14, 3684180), (15, 3438568), (20, 2578926), (21, 2456120), (24, 2149105), (28, 1842090), (30, 1719284), (35, 1473672), (40, 1289463), (42, 1228060), (56, 921045), (60, 859642), (70, 736836), (84, 614030), (105, 491224), (120, 429821), (140, 368418), (168, 307015), (210, 245612), (280, 184209), (420, 122806), (840, 61403)]