16564240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2689}}^1$

素因数の和:2720

約数の個数: 80

約数和(自身を含む): 48032640

約数和(自身を除く): 31468400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2689, 3080, 5378, 6160, 10756, 13445, 18823, 21512, 26890, 29579, 37646, 43024, 53780, 59158, 75292, 94115, 107560, 118316, 147895, 150584, 188230, 207053, 215120, 236632, 295790, 301168, 376460, 414106, 473264, 591580, 752920, 828212, 1035265, 1183160, 1505840, 1656424, 2070530, 2366320, 3312848, 4141060, 8282120, 16564240]

約数ペア:

[(1, 16564240), (2, 8282120), (4, 4141060), (5, 3312848), (7, 2366320), (8, 2070530), (10, 1656424), (11, 1505840), (14, 1183160), (16, 1035265), (20, 828212), (22, 752920), (28, 591580), (35, 473264), (40, 414106), (44, 376460), (55, 301168), (56, 295790), (70, 236632), (77, 215120), (80, 207053), (88, 188230), (110, 150584), (112, 147895), (140, 118316), (154, 107560), (176, 94115), (220, 75292), (280, 59158), (308, 53780), (385, 43024), (440, 37646), (560, 29579), (616, 26890), (770, 21512), (880, 18823), (1232, 13445), (1540, 10756), (2689, 6160), (3080, 5378)]