128820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 383040

約数和(自身を除く): 254220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 113, 114, 190, 226, 228, 285, 339, 380, 452, 565, 570, 678, 1130, 1140, 1356, 1695, 2147, 2260, 3390, 4294, 6441, 6780, 8588, 10735, 12882, 21470, 25764, 32205, 42940, 64410, 128820]

約数ペア:

[(1, 128820), (2, 64410), (3, 42940), (4, 32205), (5, 25764), (6, 21470), (10, 12882), (12, 10735), (15, 8588), (19, 6780), (20, 6441), (30, 4294), (38, 3390), (57, 2260), (60, 2147), (76, 1695), (95, 1356), (113, 1140), (114, 1130), (190, 678), (226, 570), (228, 565), (285, 452), (339, 380)]