1285451280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26647}}^1$

素因数の和:26733

約数の個数: 120

約数和(自身を含む): 4381570752

約数和(自身を除く): 3096119472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1608, 2010, 2412, 2680, 3015, 3216, 4020, 4824, 5360, 6030, 8040, 9648, 12060, 16080, 24120, 26647, 48240, 53294, 79941, 106588, 133235, 159882, 213176, 239823, 266470, 319764, 399705, 426352, 479646, 532940, 639528, 799410, 959292, 1065880, 1199115, 1279056, 1598820, 1785349, 1918584, 2131760, 2398230, 3197640, 3570698, 3837168, 4796460, 5356047, 6395280, 7141396, 8926745, 9592920, 10712094, 14282792, 16068141, 17853490, 19185840, 21424188, 26780235, 28565584, 32136282, 35706980, 42848376, 53560470, 64272564, 71413960, 80340705, 85696752, 107120940, 128545128, 142827920, 160681410, 214241880, 257090256, 321362820, 428483760, 642725640, 1285451280]

約数ペア:

[(1, 1285451280), (2, 642725640), (3, 428483760), (4, 321362820), (5, 257090256), (6, 214241880), (8, 160681410), (9, 142827920), (10, 128545128), (12, 107120940), (15, 85696752), (16, 80340705), (18, 71413960), (20, 64272564), (24, 53560470), (30, 42848376), (36, 35706980), (40, 32136282), (45, 28565584), (48, 26780235), (60, 21424188), (67, 19185840), (72, 17853490), (80, 16068141), (90, 14282792), (120, 10712094), (134, 9592920), (144, 8926745), (180, 7141396), (201, 6395280), (240, 5356047), (268, 4796460), (335, 3837168), (360, 3570698), (402, 3197640), (536, 2398230), (603, 2131760), (670, 1918584), (720, 1785349), (804, 1598820), (1005, 1279056), (1072, 1199115), (1206, 1065880), (1340, 959292), (1608, 799410), (2010, 639528), (2412, 532940), (2680, 479646), (3015, 426352), (3216, 399705), (4020, 319764), (4824, 266470), (5360, 239823), (6030, 213176), (8040, 159882), (9648, 133235), (12060, 106588), (16080, 79941), (24120, 53294), (26647, 48240)]