81636240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48593}}^1$

素因数の和:48616

約数の個数: 80

約数和(自身を含む): 289231488

約数和(自身を除く): 207595248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48593, 97186, 145779, 194372, 242965, 291558, 340151, 388744, 485930, 583116, 680302, 728895, 777488, 971860, 1020453, 1166232, 1360604, 1457790, 1700755, 1943720, 2040906, 2332464, 2721208, 2915580, 3401510, 3887440, 4081812, 5102265, 5442416, 5831160, 6803020, 8163624, 10204530, 11662320, 13606040, 16327248, 20409060, 27212080, 40818120, 81636240]

約数ペア:

[(1, 81636240), (2, 40818120), (3, 27212080), (4, 20409060), (5, 16327248), (6, 13606040), (7, 11662320), (8, 10204530), (10, 8163624), (12, 6803020), (14, 5831160), (15, 5442416), (16, 5102265), (20, 4081812), (21, 3887440), (24, 3401510), (28, 2915580), (30, 2721208), (35, 2332464), (40, 2040906), (42, 1943720), (48, 1700755), (56, 1457790), (60, 1360604), (70, 1166232), (80, 1020453), (84, 971860), (105, 777488), (112, 728895), (120, 680302), (140, 583116), (168, 485930), (210, 388744), (240, 340151), (280, 291558), (336, 242965), (420, 194372), (560, 145779), (840, 97186), (1680, 48593)]