61579980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1517

約数の個数: 192

約数和(自身を含む): 239016960

約数和(自身を除く): 177436980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1386, 1481, 1485, 1540, 1890, 1980, 2079, 2310, 2772, 2962, 2970, 3465, 3780, 4158, 4443, 4620, 5924, 5940, 6930, 7405, 8316, 8886, 10367, 10395, 13329, 13860, 14810, 16291, 17772, 20734, 20790, 22215, 26658, 29620, 31101, 32582, 39987, 41468, 41580, 44430, 48873, 51835, 53316, 62202, 65164, 66645, 79974, 81455, 88860, 93303, 97746, 103670, 114037, 124404, 133290, 146619, 155505, 159948, 162910, 186606, 195492, 199935, 207340, 228074, 244365, 266580, 279909, 293238, 311010, 325820, 342111, 373212, 399870, 439857, 456148, 466515, 488730, 559818, 570185, 586476, 622020, 684222, 733095, 799740, 879714, 933030, 977460, 1026333, 1119636, 1140370, 1368444, 1399545, 1466190, 1710555, 1759428, 1866060, 2052666, 2199285, 2280740, 2799090, 2932380, 3078999, 3421110, 4105332, 4398570, 5131665, 5598180, 6157998, 6842220, 8797140, 10263330, 12315996, 15394995, 20526660, 30789990, 61579980]

約数ペア:

[(1, 61579980), (2, 30789990), (3, 20526660), (4, 15394995), (5, 12315996), (6, 10263330), (7, 8797140), (9, 6842220), (10, 6157998), (11, 5598180), (12, 5131665), (14, 4398570), (15, 4105332), (18, 3421110), (20, 3078999), (21, 2932380), (22, 2799090), (27, 2280740), (28, 2199285), (30, 2052666), (33, 1866060), (35, 1759428), (36, 1710555), (42, 1466190), (44, 1399545), (45, 1368444), (54, 1140370), (55, 1119636), (60, 1026333), (63, 977460), (66, 933030), (70, 879714), (77, 799740), (84, 733095), (90, 684222), (99, 622020), (105, 586476), (108, 570185), (110, 559818), (126, 488730), (132, 466515), (135, 456148), (140, 439857), (154, 399870), (165, 373212), (180, 342111), (189, 325820), (198, 311010), (210, 293238), (220, 279909), (231, 266580), (252, 244365), (270, 228074), (297, 207340), (308, 199935), (315, 195492), (330, 186606), (378, 162910), (385, 159948), (396, 155505), (420, 146619), (462, 133290), (495, 124404), (540, 114037), (594, 103670), (630, 97746), (660, 93303), (693, 88860), (756, 81455), (770, 79974), (924, 66645), (945, 65164), (990, 62202), (1155, 53316), (1188, 51835), (1260, 48873), (1386, 44430), (1481, 41580), (1485, 41468), (1540, 39987), (1890, 32582), (1980, 31101), (2079, 29620), (2310, 26658), (2772, 22215), (2962, 20790), (2970, 20734), (3465, 17772), (3780, 16291), (4158, 14810), (4443, 13860), (4620, 13329), (5924, 10395), (5940, 10367), (6930, 8886), (7405, 8316)]