812348820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{10771}}^1$

素因数の和:11205

約数の個数: 72

約数和(自身を含む): 2470235040

約数和(自身を除く): 1657886220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1257, 1676, 2095, 2514, 3771, 4190, 5028, 6285, 7542, 8380, 10771, 12570, 15084, 18855, 21542, 25140, 32313, 37710, 43084, 53855, 64626, 75420, 96939, 107710, 129252, 161565, 193878, 215420, 323130, 387756, 484695, 646260, 969390, 1938780, 4513049, 9026098, 13539147, 18052196, 22565245, 27078294, 40617441, 45130490, 54156588, 67695735, 81234882, 90260980, 135391470, 162469764, 203087205, 270782940, 406174410, 812348820]

約数ペア:

[(1, 812348820), (2, 406174410), (3, 270782940), (4, 203087205), (5, 162469764), (6, 135391470), (9, 90260980), (10, 81234882), (12, 67695735), (15, 54156588), (18, 45130490), (20, 40617441), (30, 27078294), (36, 22565245), (45, 18052196), (60, 13539147), (90, 9026098), (180, 4513049), (419, 1938780), (838, 969390), (1257, 646260), (1676, 484695), (2095, 387756), (2514, 323130), (3771, 215420), (4190, 193878), (5028, 161565), (6285, 129252), (7542, 107710), (8380, 96939), (10771, 75420), (12570, 64626), (15084, 53855), (18855, 43084), (21542, 37710), (25140, 32313)]