144781840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{258539}}^1$

素因数の和:258559

約数の個数: 40

約数和(自身を含む): 384707520

約数和(自身を除く): 239925680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 258539, 517078, 1034156, 1292695, 1809773, 2068312, 2585390, 3619546, 4136624, 5170780, 7239092, 9048865, 10341560, 14478184, 18097730, 20683120, 28956368, 36195460, 72390920, 144781840]

約数ペア:

[(1, 144781840), (2, 72390920), (4, 36195460), (5, 28956368), (7, 20683120), (8, 18097730), (10, 14478184), (14, 10341560), (16, 9048865), (20, 7239092), (28, 5170780), (35, 4136624), (40, 3619546), (56, 2585390), (70, 2068312), (80, 1809773), (112, 1292695), (140, 1034156), (280, 517078), (560, 258539)]