531311760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 240

約数和(自身を含む): 2052011520

約数和(自身を除く): 1520699760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 271, 280, 315, 336, 360, 389, 420, 504, 542, 560, 630, 720, 778, 813, 840, 1008, 1084, 1167, 1260, 1355, 1556, 1626, 1680, 1897, 1945, 2168, 2334, 2439, 2520, 2710, 2723, 3112, 3252, 3501, 3794, 3890, 4065, 4336, 4668, 4878, 5040, 5420, 5446, 5691, 5835, 6224, 6504, 7002, 7588, 7780, 8130, 8169, 9336, 9485, 9756, 10840, 10892, 11382, 11670, 12195, 13008, 13615, 14004, 15176, 15560, 16260, 16338, 17073, 17505, 18672, 18970, 19512, 21680, 21784, 22764, 23340, 24390, 24507, 27230, 28008, 28455, 30352, 31120, 32520, 32676, 34146, 35010, 37940, 39024, 40845, 43568, 45528, 46680, 48780, 49014, 54460, 56016, 56910, 65040, 65352, 68292, 70020, 75880, 81690, 85365, 91056, 93360, 97560, 98028, 105419, 108920, 113820, 122535, 130704, 136584, 140040, 151760, 163380, 170730, 195120, 196056, 210838, 217840, 227640, 245070, 273168, 280080, 316257, 326760, 341460, 392112, 421676, 455280, 490140, 527095, 632514, 653520, 682920, 737933, 843352, 948771, 980280, 1054190, 1265028, 1365840, 1475866, 1581285, 1686704, 1897542, 1960560, 2108380, 2213799, 2530056, 2951732, 3162570, 3689665, 3795084, 4216760, 4427598, 4743855, 5060112, 5903464, 6325140, 6641397, 7379330, 7590168, 8433520, 8855196, 9487710, 11068995, 11806928, 12650280, 13282794, 14758660, 15180336, 17710392, 18975420, 22137990, 25300560, 26565588, 29517320, 33206985, 35420784, 37950840, 44275980, 53131176, 59034640, 66413970, 75901680, 88551960, 106262352, 132827940, 177103920, 265655880, 531311760]

約数ペア:

[(1, 531311760), (2, 265655880), (3, 177103920), (4, 132827940), (5, 106262352), (6, 88551960), (7, 75901680), (8, 66413970), (9, 59034640), (10, 53131176), (12, 44275980), (14, 37950840), (15, 35420784), (16, 33206985), (18, 29517320), (20, 26565588), (21, 25300560), (24, 22137990), (28, 18975420), (30, 17710392), (35, 15180336), (36, 14758660), (40, 13282794), (42, 12650280), (45, 11806928), (48, 11068995), (56, 9487710), (60, 8855196), (63, 8433520), (70, 7590168), (72, 7379330), (80, 6641397), (84, 6325140), (90, 5903464), (105, 5060112), (112, 4743855), (120, 4427598), (126, 4216760), (140, 3795084), (144, 3689665), (168, 3162570), (180, 2951732), (210, 2530056), (240, 2213799), (252, 2108380), (271, 1960560), (280, 1897542), (315, 1686704), (336, 1581285), (360, 1475866), (389, 1365840), (420, 1265028), (504, 1054190), (542, 980280), (560, 948771), (630, 843352), (720, 737933), (778, 682920), (813, 653520), (840, 632514), (1008, 527095), (1084, 490140), (1167, 455280), (1260, 421676), (1355, 392112), (1556, 341460), (1626, 326760), (1680, 316257), (1897, 280080), (1945, 273168), (2168, 245070), (2334, 227640), (2439, 217840), (2520, 210838), (2710, 196056), (2723, 195120), (3112, 170730), (3252, 163380), (3501, 151760), (3794, 140040), (3890, 136584), (4065, 130704), (4336, 122535), (4668, 113820), (4878, 108920), (5040, 105419), (5420, 98028), (5446, 97560), (5691, 93360), (5835, 91056), (6224, 85365), (6504, 81690), (7002, 75880), (7588, 70020), (7780, 68292), (8130, 65352), (8169, 65040), (9336, 56910), (9485, 56016), (9756, 54460), (10840, 49014), (10892, 48780), (11382, 46680), (11670, 45528), (12195, 43568), (13008, 40845), (13615, 39024), (14004, 37940), (15176, 35010), (15560, 34146), (16260, 32676), (16338, 32520), (17073, 31120), (17505, 30352), (18672, 28455), (18970, 28008), (19512, 27230), (21680, 24507), (21784, 24390), (22764, 23340)]