128379120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534913}}^1$

素因数の和:534929

約数の個数: 40

約数和(自身を含む): 397976016

約数和(自身を除く): 269596896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534913, 1069826, 1604739, 2139652, 2674565, 3209478, 4279304, 5349130, 6418956, 8023695, 8558608, 10698260, 12837912, 16047390, 21396520, 25675824, 32094780, 42793040, 64189560, 128379120]

約数ペア:

[(1, 128379120), (2, 64189560), (3, 42793040), (4, 32094780), (5, 25675824), (6, 21396520), (8, 16047390), (10, 12837912), (12, 10698260), (15, 8558608), (16, 8023695), (20, 6418956), (24, 5349130), (30, 4279304), (40, 3209478), (48, 2674565), (60, 2139652), (80, 1604739), (120, 1069826), (240, 534913)]