27981080960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{4549}}^1$

素因数の和:5948

約数の個数: 128

約数和(自身を含む): 76520808000

約数和(自身を除く): 48539727040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 1373, 2240, 2746, 4480, 4549, 5492, 6865, 9098, 9611, 10984, 13730, 18196, 19222, 21968, 22745, 27460, 31843, 36392, 38444, 43936, 45490, 48055, 54920, 63686, 72784, 76888, 87872, 90980, 96110, 109840, 127372, 145568, 153776, 159215, 175744, 181960, 192220, 219680, 254744, 291136, 307552, 318430, 363920, 384440, 439360, 509488, 582272, 615104, 636860, 727840, 768880, 878720, 1018976, 1230208, 1273720, 1455680, 1537760, 2037952, 2547440, 2911360, 3075520, 4075904, 5094880, 6151040, 6245777, 10189760, 12491554, 20379520, 24983108, 31228885, 43720439, 49966216, 62457770, 87440878, 99932432, 124915540, 174881756, 199864864, 218602195, 249831080, 349763512, 399729728, 437204390, 499662160, 699527024, 799459456, 874408780, 999324320, 1399054048, 1748817560, 1998648640, 2798108096, 3497635120, 3997297280, 5596216192, 6995270240, 13990540480, 27981080960]

約数ペア:

[(1, 27981080960), (2, 13990540480), (4, 6995270240), (5, 5596216192), (7, 3997297280), (8, 3497635120), (10, 2798108096), (14, 1998648640), (16, 1748817560), (20, 1399054048), (28, 999324320), (32, 874408780), (35, 799459456), (40, 699527024), (56, 499662160), (64, 437204390), (70, 399729728), (80, 349763512), (112, 249831080), (128, 218602195), (140, 199864864), (160, 174881756), (224, 124915540), (280, 99932432), (320, 87440878), (448, 62457770), (560, 49966216), (640, 43720439), (896, 31228885), (1120, 24983108), (1373, 20379520), (2240, 12491554), (2746, 10189760), (4480, 6245777), (4549, 6151040), (5492, 5094880), (6865, 4075904), (9098, 3075520), (9611, 2911360), (10984, 2547440), (13730, 2037952), (18196, 1537760), (19222, 1455680), (21968, 1273720), (22745, 1230208), (27460, 1018976), (31843, 878720), (36392, 768880), (38444, 727840), (43936, 636860), (45490, 615104), (48055, 582272), (54920, 509488), (63686, 439360), (72784, 384440), (76888, 363920), (87872, 318430), (90980, 307552), (96110, 291136), (109840, 254744), (127372, 219680), (145568, 192220), (153776, 181960), (159215, 175744)]