77198640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321661}}^1$

素因数の和:321677

約数の個数: 40

約数和(自身を含む): 239316528

約数和(自身を除く): 162117888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321661, 643322, 964983, 1286644, 1608305, 1929966, 2573288, 3216610, 3859932, 4824915, 5146576, 6433220, 7719864, 9649830, 12866440, 15439728, 19299660, 25732880, 38599320, 77198640]

約数ペア:

[(1, 77198640), (2, 38599320), (3, 25732880), (4, 19299660), (5, 15439728), (6, 12866440), (8, 9649830), (10, 7719864), (12, 6433220), (15, 5146576), (16, 4824915), (20, 3859932), (24, 3216610), (30, 2573288), (40, 1929966), (48, 1608305), (60, 1286644), (80, 964983), (120, 643322), (240, 321661)]