81141200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28979}}^1$

素因数の和:29004

約数の個数: 60

約数和(自身を含む): 222798240

約数和(自身を除く): 141657040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28979, 57958, 115916, 144895, 202853, 231832, 289790, 405706, 463664, 579580, 724475, 811412, 1014265, 1159160, 1448950, 1622824, 2028530, 2318320, 2897900, 3245648, 4057060, 5071325, 5795800, 8114120, 10142650, 11591600, 16228240, 20285300, 40570600, 81141200]

約数ペア:

[(1, 81141200), (2, 40570600), (4, 20285300), (5, 16228240), (7, 11591600), (8, 10142650), (10, 8114120), (14, 5795800), (16, 5071325), (20, 4057060), (25, 3245648), (28, 2897900), (35, 2318320), (40, 2028530), (50, 1622824), (56, 1448950), (70, 1159160), (80, 1014265), (100, 811412), (112, 724475), (140, 579580), (175, 463664), (200, 405706), (280, 289790), (350, 231832), (400, 202853), (560, 144895), (700, 115916), (1400, 57958), (2800, 28979)]