80156820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70313}}^1$

素因数の和:70344

約数の個数: 48

約数和(自身を含む): 236255040

約数和(自身を除く): 156098220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 70313, 140626, 210939, 281252, 351565, 421878, 703130, 843756, 1054695, 1335947, 1406260, 2109390, 2671894, 4007841, 4218780, 5343788, 6679735, 8015682, 13359470, 16031364, 20039205, 26718940, 40078410, 80156820]

約数ペア:

[(1, 80156820), (2, 40078410), (3, 26718940), (4, 20039205), (5, 16031364), (6, 13359470), (10, 8015682), (12, 6679735), (15, 5343788), (19, 4218780), (20, 4007841), (30, 2671894), (38, 2109390), (57, 1406260), (60, 1335947), (76, 1054695), (95, 843756), (114, 703130), (190, 421878), (228, 351565), (285, 281252), (380, 210939), (570, 140626), (1140, 70313)]