155284720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102161}}^1$

素因数の和:102193

約数の個数: 40

約数和(自身を含む): 380042640

約数和(自身を除く): 224757920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 102161, 204322, 408644, 510805, 817288, 1021610, 1634576, 1941059, 2043220, 3882118, 4086440, 7764236, 8172880, 9705295, 15528472, 19410590, 31056944, 38821180, 77642360, 155284720]

約数ペア:

[(1, 155284720), (2, 77642360), (4, 38821180), (5, 31056944), (8, 19410590), (10, 15528472), (16, 9705295), (19, 8172880), (20, 7764236), (38, 4086440), (40, 3882118), (76, 2043220), (80, 1941059), (95, 1634576), (152, 1021610), (190, 817288), (304, 510805), (380, 408644), (760, 204322), (1520, 102161)]