1520792840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{61027}}^1$

素因数の和:61134

約数の個数: 64

約数和(自身を含む): 3954614400

約数和(自身を除く): 2433821560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920, 61027, 122054, 244108, 305135, 427189, 488216, 610270, 854378, 1220540, 1708756, 2135945, 2441080, 3417512, 4271890, 5431403, 8543780, 10862806, 17087560, 21725612, 27157015, 38019821, 43451224, 54314030, 76039642, 108628060, 152079284, 190099105, 217256120, 304158568, 380198210, 760396420, 1520792840]

約数ペア:

[(1, 1520792840), (2, 760396420), (4, 380198210), (5, 304158568), (7, 217256120), (8, 190099105), (10, 152079284), (14, 108628060), (20, 76039642), (28, 54314030), (35, 43451224), (40, 38019821), (56, 27157015), (70, 21725612), (89, 17087560), (140, 10862806), (178, 8543780), (280, 5431403), (356, 4271890), (445, 3417512), (623, 2441080), (712, 2135945), (890, 1708756), (1246, 1220540), (1780, 854378), (2492, 610270), (3115, 488216), (3560, 427189), (4984, 305135), (6230, 244108), (12460, 122054), (24920, 61027)]